pet door for sliding door

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Patio Pet Door Insert [Colour: Black] [Size: Large]
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Patio Pet Door Insert [Colour: Cream] [Size: Small]
10% off
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Patio Pet Door Insert [Colour: Silver] [Size: Large]
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Patio Pet Door Insert [Colour: White] [Size: Large]
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Patio Pet Door Insert [Colour: Cream] [Size: Large]
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Patio Pet Door Insert [Colour: Silver] [Size: Medium]
 
... sliding doors with different lock types. * STEEL LOCKING PLATELock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through ...
Cat Flap Door - Glass Door Windows Protector Sliding Door,4 Way Locking Cat Flap Door for Interior Exterior Doors
 
 
... but not exit) and out-only (cat can exit but not enter), to control pets in and out of your home^ SUITBLE FOR ALL DOOR - Included sliding door, glass door windows, panels and patio or any other screen areas, allow your ...
Summer Pet Self Cooling Mat Dog Bed,Durable Dog Cat Sofa Bed,Sleeping Cozy Cool Rattan Puppy Bed Cat Beds With Non-Slip Bottom,Style 1,M(19.7"X15.75"X1.1")
 
... but not exit) and out-only (cat can exit but not enter), to control pets in and out of your home^ SUITBLE FOR ALL DOOR - Included sliding door, glass door windows, panels and patio or any other screen areas, allow your ...
Cards With Envelopes - 24 Gender Neutral Thanks Cards With 6 Unique Designs - Folded 3.9 X 5.9 Greeting Cards Thank You
 
... but not exit) and out-only (cat can exit but not enter), to control pets in and out of your home^ SUITBLE FOR ALL DOOR - Included sliding door, glass door windows, panels and patio or any other screen areas, allow your ...
4 Way Lock Pet Door Entry Gate Dog Cat Kitten Puppy Brushy Flap Screen Frame XL
51% off
 
... MAGNETIC CLOSING FUNCTION: The door is automatically closed when your pet leaves. * LOCKABLE DESIGN: 2 sliding locks at the bottom of the flap cover enables the door to be locked so your pet is not lost while unattended ...
4 Way Lock Pet Door Entry Gate Dog Cat Kitten Puppy Brushy Flap Screen Frame M
53% off
 
... MAGNETIC CLOSING FUNCTION: The door is automatically closed when your pet leaves. * LOCKABLE DESIGN: 2 sliding locks at the bottom of the flap cover enables the door to be locked so your pet is not lost while unattended ...
Pet Doors For Glass, Small Pet Door, Medium Dog Door & Large Dog Door [Size: M: Flap size: Height 290mm x width 225mm]
24% off
 
... sliding door, of aluminium grill and mesh or perforated metal, glass panel (single-glaze), this slim line door will cover any of these applications. -For added security the frames are fitted with security slides ... PET ...
Pet-Tek Glass Fitting Pet Door Maxi-Slimline for Glass 30.4cm Clear
 
The glass fitting Maxi Slimline pet door is designed for glass panels 3mm-20mm thick and patio sliding doors with a clearance of more than 21mm. This door has a four way manual locking dial with an additional security ...
Aluminium Premium Pet Door [Size: Small]   [Colour: Black]
 
... aesthetics in mind and the result is the most beautiful pet door on the market. Installation screws are concealed on the ... plate squeeze the quick release handle and slide up. Energy Saving MohairIntegrated mohair seals ...
PetSafe Large Staywell Aluminium Pet Door - White
 
... up-to 45kg * Durable frame * Flexible flap-door * Magnet base prevents swinging * Weather-resistant seal * Slide-in panel to block access * Gives pets independence * Materials: Aluminium/plastic * Dimensions (approx. cm ...
 
$149
OnePassFree delivery
Pet Cat Flap Small Door For Dogs And Cats With 4 Locking Possibilities Round, White And Transparent Random To Send
 
... - Clear design to fit it into your window, great for windows, sliding glass doors, glass windows; Ideal for all glass adaptations; your pets will immediately fall in love with the elegant cat flap. Simple and Comfortable ...
Dog Cat Flap Easy To Install Locking Cat Flaps Pet Door (29cm X 24cm)
 
... extreme temperatures. ^ Feature: The dog flap has a slide switch for your pet to enter or exit under your control, and the ... bottom of the flap has a magnet to keep the door ...
Dog Cat Flap Easy To Install Locking Cat Flaps Pet Door (29cm X 24cm)
 
 
... 29cm; suitable for small dogs and cats.^ FREEDOM for PETS CATS OR LITTLE DOGS come out or enter by themselves ... temperatures.^ Feature: The dog flap has a slide switch for your pet to enter or exit under your control, and ...
Dog Cat Flap Easy Install Lockable Cat Flap Pet Door (29cm x 24cm)
 
 
... 20cm; suitable for small dogs and cats.^ FREEDOM for PETS CATS OR LITTLE DOGS come out or enter by themselves ... temperatures.^ Feature: The dog flap has a slide switch for your pet to enter or exit under your control, and ...
Portable Chopsticks Kids Students Alloy Lightweight Chopstick With Case, 19.8Cm Long, Reusable Portable Utensil For Camping, Suitable For Family And Travel
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Catnip Toy, Cat Chew Toy Bite Resistant Catnip Toys for Cats,Catnip Filled Cartoon Mice Cat Teething Chew Toy
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Magnetic Clasp for Cats, Large Dogs Dog Door, Cat Door, Pet Door,L
 
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Extra Long Plated Tube Hand Held Shower Hose With Solid Brass Nut Attachment,2 Meter Electroplating Encryption Tube
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Romantic Rose-Shape Spoon Restaurant Home Valentine'S Day Festival Decor Sliver
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Magnetic Clasp for Cats, Large Dogs Dog Door, Cat Door, Pet Door,L
 
 
... , no longer playing the cat's door opener.^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Magnetic Clasp for Cats, Large Dogs Dog Door, Cat Door, Pet Door, Easily Install with Telescopic Frame
 
... , no longer playing the cat's door opener. ^ 2. Easy installation: This pet door is suitable for brick walls, wooden doors, doors made of PVC, and metal doors and can be built into doors and walls with a thickness of 2 ...
Tactical Dog Collar With Handle - Heavy Duty, Reflective, Padded Training Dog Collar,Five Gears Upgraded Camouflage,M
 
... safe in or out of the house when needed. Free your hands, stop playing as a cat door opener!^ Easy InstallationThis pet door can be installed in doors and walls with a thickness of 2-6cm, ideal for brick wall, wooden ...
Tactical Dog Collar With Handle - Heavy Duty, Reflective, Padded Training Dog Collar,Fifth Gear Upgrade Black,Xl
 
... safe in or out of the house when needed. Free your hands, stop playing as a cat door opener!^ Easy InstallationThis pet door can be installed in doors and walls with a thickness of 2-6cm, ideal for brick wall, wooden ...
Cat Flap Dog Flap 4 Way Magnetic Catch Cat Large Dog Cat Flap Dog Door Cat Door Pet Flap Closed Pet Door-S19.7*19*2Cm
 
 
... Them Safe In Or Out Of The House When Needed. Free Your Hands, Stop Playing As A Cat Door Opener! Easy InstallationThis Pet Door Can Be Installed In Doors And Walls With A Thickness Of 2-6Cm, Ideal For Brick Wall, Wooden ...
Pet Screen Door - Dog and Cat Door for Screen Door, Window and Porch Use - Black - Small
 
 
... out at will * Suitable for all ;medium/large size ;pets(dogs and cats) * Durable, self-closing ;pet screen door * Material: ABS Plastic ; * Color: Black ; * SIZE: ; SMALL CAT DOOR :OVERALL SIZE:28CM*36CM*1.3CM(L*W*H) ; ...
Pet Screen Door - Dog and Cat Door for Screen Door, Window and Porch Use - Black - Large
 
 
... out at will * Suitable for all ;medium/large size ;pets(dogs and cats) * Durable, self-closing ;pet screen door * Material: ABS Plastic ; * Color: Black ; * SIZE: ; SMALL CAT DOOR :OVERALL SIZE:28CM*36CM*1.3CM(L*W*H) ; ...
 
... panel included,can be used when you don't need the doggie door in use SIZE SMALL PET DOOR: Overall size: 35cm X 28cm X 5cm(H*L*W) Flap size: 26.5cm X 20.7CM LARGE PET DOOR: Overall size: 43cm x 36cm x 5cm(H*L*W) Flap ...
1 Set Pet Door Free In and Out Easy Installation Plastic Cat Dog Safety Door Flap for Pet House-Llarge
 
... is about 15cm, and the height is about 1.5cm. This pet door is suitable for cat, puppy and other small size pet. Item Name: Pet Door Material: Plastic Features: Easy to Install, Direction Controllable, Exquisite Size ...
 
... ,can be used when you don't need the doggie door in use SIZE MEDIUM PET DOOR: Overall size: 370MMX240MMX50MM(H*L*W) Flap size: 290MM X190MM LARGE PET DOOR: Overall size: 460MMX320MMX50MM(H*L*W) ; Flap size: ;380MM ...
SureFlap Microchip Pet Door
 
... further information on this product please visit link below -au/pet-doors/microchip-pet-door 1 x SureFlap Microchip Pet Door Identifies your pet by reading their unique identification microchip Designed for large cats ...
SureFlap Microchip Pet Door for Cats & Dogs - Large-Brown
 
... a standard Spaniel Flap dimensions - 178mm (W) x 170mm (H) - This dimension is the smallest area of the pet door that your cat will have to enter. Hole dimensions - 207mm (W) x 234mm (H) - The Installation Template can ...
 
... ,can be used when you don't need the doggie door in use SIZE MEDIUM PET DOOR: Overall size: 370MMX240MMX50MM(H*L*W) Flap size: 290MM X190MM LARGE PET DOOR: Overall size: 460MMX320MMX50MM(H*L*W) ; Flap size: ;380MM ...
4 Way Cat Door Cat Flap Pet Door Entry Control Cat Flap White 25*23.5*5.3cmCat door, cat hole, cat door - white L
 
 
... required screws on both sides Assembled and magnets to keep the door closed when not in use. Easy to install for all doors, panels and walls Double entry pet door gives your cat or dog the freedom to come and go without ...
Pet Door Lockable Easy to Install ABS Cat Safety Door for Cat House-Black
10% off
 
... and it allows the cat to go out, but not to let the cat in. Made of high quality ABS material, the pet door is sturdy and eco-friendly. The length of the product is about 30cm, the width of the product is about 28cm, the ...
Cat Door, Waterproof Pet Door with 4-Way Rotating Lock Upgraded Version (XL, Black)
 
 
... : 0.64kg Make sure the width and height (shoulder level) of the animal are less than the pet screen door, thanks. The depth of the door/wall/window you are going to install has better than the depth of 5.5cm, in order to ...
Medium cat door with four-way lock, magnetic pet door set, cat and dog weather resistant cat door
 
... 2. Easy to install. It is suitable for brick walls, wooden doors, PVC and metal doors. This pet door can be installed on doors and walls with a thickness of 2. 5 cm. 3. Shirt door size - frame size: 19. 7 * 19cm (W x H ...
Medium cat door with four-way lock, magnetic pet door set, cat and dog weather resistant cat door
 
... 2. Easy to install. It is suitable for brick walls, wooden doors, PVC and metal doors. This pet door can be installed on doors and walls with a thickness of 2.5 cm. 3. Shirt door size - frame size: 19.7 * 19cm (W x H ...
SureFlap Microchip Pet Door Tunnel Extender-White-Large (for Pet Door)
 
... Used to extend the depth of approach tunnel to pet door tunnels when mounting in walls * Compatible with the Sureflap Microchip Pet Door and Sureflap Microchip Pet Door Connect * Each extender adds 50mm depth * Extenders ...
 
 
... dogs,such as labradors, german shepherds, dobermanand, rottweiler,husky and other large dogs, cats or pets * Suitable for brick walls, wooden doors and UPVC/PVC/metal * Locking panel included,can be used when you don't ...
2 Way PVC  Lockable Locking Pet Cat Dog Safe Security Brushy Flap Door Medium Size - White
 
 
... dogs,such as labradors, german shepherds, dobermanand, rottweiler,husky and other large dogs, cats or pets * Suitable for brick walls, wooden doors and UPVC/PVC/metal * Locking panel included,can be used when you don't ...
2 Way Lockable Pet Dog Cat Safe Security Brushy Flap Door Small - White
 
 
... panel included,can be used when you don't need the doggie door in use SIZE SMALL PET DOOR: Overall size: 35cm ;x 28cm ;x 5cm(H*L*W) Flap size: 26.5cm ;x ;20.7CM LARGE PET DOOR: Overall size: 43cm x 36cm x 5cm(H*L*W) Flap ...
Medium cat door with four-way lock, magnetic pet door set, cat and dog weather resistant cat door
4% off
 
 
... 2. Easy to install. It is suitable for brick walls, wooden doors, PVC and metal doors. This pet door can be installed on doors and walls with a thickness of 2. 5 cm. 3. Shirt door size - frame size: 19. 7 * 19cm (W x H ...
Presser Foot With Handle Fixed Gauge Ruler Multifunctional Domestic Sewing Machine Accessoriesfixed Gauge Slant Handle
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy 1#
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
 
$0
Free delivery
PetSafe Staywell Big Cat/Small Dog Pet Door - White
 
... garden and avoid toileting accidents. FEATURES: * PetSafe Staywell Big Cat/Small Dog Pet Door * Colour: White * Pack contents: * Pet Door * Tunnel Extension * Fitting Screws * Cutting Guide * Installation Guide * Perfect ...
Pet Door Small Dogs Indoor/Outdoor with Telescopic Frame Doggie Door Cat
 
... needed. Don't play the cat's door opener in the future.^ Easy Installation: This pet door is suitable for brick wall, wooden door, PVC door, and metal door, and can be installed in doors and walls with a thickness of 2 ...
Bathroom Cartoon Ladybug Sucker Toothbrush Holder Children s Suction Hooks Toothbrush Holder
 
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy - Clear
10% off
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy-White
10% off
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
Cat Flap Dog Flap 4 Way Magnetic Cat Cat Flap Cat Door Cat Flap Pet Flap Pet Door Install Easy -XL 27.7*25*5.5cm
10% off
 
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
Sure Petcare Mounting Adapter - Large - Brown
 
... includes two parts, one for the interior and one for the exterior of your home. SIZES AVAILABLE: LARGE PET DOOR ADAPTOR - Allows mounting in holes ranging from 294mm to 320mm in diameter. The total diameter of the large ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy 1#
5% off
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy-Clear
7% off
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
Dog Door 4 Ways Lock Lockable Acrylic Noise Reduction Pet Door for Puppy 2#
 
... . Made of high quality acrylic material, this product is durable and useful. The length of the pet door is 30cm, the width of the pet door is 30cm, the thickness is 3.5cm. It will be a perfect dog accessories. Item Name ...
Country Style Wicker Picnic Basket Camping Basket with Lid Handle and Liners for Picnics Party Barbecue
 
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
Portable Marble Surface Mirror Square Soaking Contact Lens Case Rose Gold
 
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
6Pcs Football Balloons Aluminum Foil Football Style Safe Nontoxic Reusable Large Size Widely Used Party Balloons
 
 
... frame size: 25*23.5*5.3cm Inner door frame size: 19*18cm XL: Outer door frame size: 25*5.5*27.7cm Inner door frame size: 22*20cm Scope of delivery: 1 x Tunnel Pet Door 8 * Screws 1 x Condition Manual (Probably not in ...
Petsafe Staywell REPLACEMENT FLAP for 600-Series Aluminium Pet Door [Size: Medium]
 
... weather tight seal and is easy to replace. HOW TO REPLACE YOUR DOOR FLAP: To replace the flap in your pet door, remove the screws from the interior frame of the pet door. Remove the bar and old flap(s). Fit the new flap ...
2 Way Lockable Pet Dog Cat Safe Security Brushy Flap Door - Black
 
 
... dogs,such as labradors, german shepherds, dobermanand, rottweiler,husky and other large dogs, cats or pets * Suitable for brick walls, wooden doors and UPVC/PVC/metal * Locking panel included,can be used when you don't ...
Cat Flap Cat Flap 4 Way Magnetic Cat Flap Cat Flap Cat Flap Cat Flap Cat Flap Pet Door Easy Install With Telescopic Frame Cat Flap
 
... needed. Don't play the cat's door opener in the future.^ Easy Installation: This pet door is suitable for brick wall, wooden door, PVC door, and metal door, and can be installed in doors and walls with a thickness of 2 ...
Large Cat Door for Pets (Outer Size 9.9 x 9.2 inch) 4 Way Locking Cat Flap for Interior Exterior pet Door, Easy & Quick Installation Ideal
 
... ) x 8.3"(H), suitable for installation on doors, thin metal doors and walls, The cat door is suitable for walls with a thickness of 2. ... and silent action, ensure that neither the pets nor the owner will be disturbed^ EASY ...
Large Cat Door for Pets (Outer Size 9.9 x 9.2 inch) 4 Way Locking Cat Flap for Interior Exterior pet Door, Easy & Quick Installation Ideal
 
... ) x 8.3"(H), suitable for installation on doors, thin metal doors and walls, The cat door is suitable for walls with a thickness of 2. ... and silent action, ensure that neither the pets nor the owner will be disturbed^ EASY ...
Petsafe Staywell Replacement Flap for 700 Series Pet Door [Size: Large]
 
... can replace the flap on your Staywell 700 Series Pet Door and it will be good as new!**Compatible with Original 2-Way Locking Pet Door (700 Series) Made from rigid, frosted plastic flap PACK CONTENTS: Clear replacement ...
Petsafe Staywell Replacement Flap for 200 Series Pet Door
 
... when you can replace the flap on your Staywell 200 Series Pet Door and it will be good as new!**Compatible with the Staywell Big Cat / Small Dog Pet Door (200 Series) Made from rigid, frosted plastic flap PACK CONTENTS ...
PetSafe Original 2 Way Small Pet Door - White
 
... flap is magnetic making it easy to clean and easy to install! FEATURES: * PetSafe Original 2 Way Small Pet Door * Colour: White * Easy to clean * Heavy duty design * Weather resistant * Locking interior security panel ...
Petsafe Staywell Replacement Flap for 300/400/500 Series Pet Doors
 
... when you can replace the flap on your Staywell 300/400/500 Series Pet Door and it will be good as new!**COMPATIBLE WITH: Staywell Deluxe Manual 4-Way Locking Cat Flap (300 Series) Staywell Deluxe Magnetic Cat Flap (400 ...
Pet Door Flap, Cat Lock Interior Walls Or Hidden Litter Boxes - Easy To Install - Suitable
 
 
Pet Door Flap, Cat Lock Interior Walls Or Hidden Litter Boxes - Easy To Install - Suitable
Pet Door Round Security ABS 4 Ways Modes Interior Exterior Door for Dog-White
10% off
 
... is made of ABS. There are exterior size and door size concerning this item. It is very suitable for pet, including dog, cats, rabbits, etc. Item Name: Cat Door Material:ABS Size Details: (Exterior Size) : 26cmx26cmx4cm ...
Large Cat Door, 4 Way Locking Cat Flap Door For Indoor And Outdoor Doors, Weatherproof Pet Door For Cats And Puppies.
 
 
... , etc. 4. Thoughtful Design: The transparent flip cover allows pets to see through the cat door. The outer screen is waterproof. Brush strips reduce door closing noise. 5. Quality Assurance: Made of ABS plastic, weather ...
Large cat door, 4 way locking cat flap door for indoor and outdoor doors, weatherproof pet door for cats and puppies < 60cm circumference
 
... , etc. 4. Thoughtful Design: The transparent flip cover allows pets to see through the cat door. The outer screen is waterproof. Brush strips reduce door closing noise. 5. Quality Assurance: Made of ABS plastic, weather ...
Cat Door Flap with 4-Way Locking Magnetic Pet Door for Indoor and Outdoor Doors, Weatherproof Pet Door for Cats, Puppies, Easy to Install
 
... 15.5*15cm, suitable for cats with waist less than 40cm. External dimensions are 5.5 cm (D) x 19 cm (W) x 20 cm (H). Suitable for installation on interior doors, exterior doors, walls, windows, cabinets and glass, etc.