Best Glass Cat Doors in 2026

WEATHER RESISTANT: The soft, tinted flap has a magnetic closure to help keep your home protected from the outdoors

EASY INSTALLATION: Replacing the flap is a quick and easy do-it-yourself project the only tool you need is a screwdriver

COMPATIBLE DOORS: Flap fits PetSafe Extreme Weather Pet Door, PetSafe Wall Entry Pet Door, PetSafe Sliding Glass Pet Door, PetSafe Freedom Patio Panel Door, PetSafe Freedom Aluminum Pet Door, PetSafe Plastic Pet Door

FREEDOM FOR YOUR PET: Let your dog go outside for potty breaks and playtime on their own schedule

SIZE MEDIUM: Designed for pets up to 40 lb; flap opening measures 8 1/4" W x 12 1/4" H

CONTROL YOUR PET’S ACCESS: The snap on closing panel allows you to control your pet’s access and keep stray animals out of your home

✅ THE ORIGINAL NO CUT CAT DOOR - Door Buddy’s adjustable door strap for pets is the original cat door alternative that gives cats back their space! No need for an indoor cat door and no more fighting a bulky dog gate with cat door. With Door Buddy you can have a cat door without cutting door in a matter of seconds. While cheap cat door holder knock-offs are tempting, Door Buddy door latch is made in the USA and is both durable and effective.

✅ KEEP DOGS OUT OF LITTER BOX - Door Buddy’s door locks for dogs is the easiest way to keep door cracked open for cat while keeping dogs out of the litter box and cat food. Thanks to our extra strong 3M adhesive, Door Buddy installs in seconds and can stop dogs up to 120lb from getting into no-go rooms. Finally, a cat door interior door without any hassles and a dog proof feeding station for cats that doesn't make your cat feel trapped.

✅ SIMPLE & EFFECTIVE - A tool-free installation that is simple and works! The 3M adhesives stick to your door and door frame, the adjuster allows you to keep the door cracked open just enough to suit your cat's width, and finally lock the hook into the latch. The strap will flex around the door so it is easy to latch from either side of the door for quick and convenient access. DO NOT install on drywall. For extra motivated dogs, install on the back of your door for a stronger hold.

(PATENTED) FITS PURRFECTLY - Your cats purred and we listened. Our mission at Purrfect Portal is to provide whimsical, innovative, and functional cat doors to the world! Introducing our latest innovation–the French Cat Door. Purrfect for cats up to 20 lbs. Same heavy-duty cat doors, new charming design.

A NO FLAP KITTY DOOR YOUR CAT WILL LOVE! Roaming around the house should be just as easy for your cats. Made with high-quality ABS plastic, our 7.13 x 8.32" interior cat door is designed for safety, durability, and your cat's privacy. The door size fits solid and hollow core doors in your bathroom, bedroom, laundry room or basement.

TRES CHIC & STYLISH AESTHETIC - Add an elegant accent to your interior with our signature French Door. Designed with a classic all-white finish and coordinating window panels, our cat door offers a crisp, clean appearance that works beautifully in traditional as well as modern interiors. Hide the litter box in style so your pet can do their business minus the odor and keep the dogs out when your cat needs their own me time.

FREEDOM AND INDEPENDENCE: Give your cats and dogs freedom to go in and out without your help, arrangement for potty breaks or play time by themselves.

DIMENSION AND TELESCOPING WIDTH: The telescoping tunnel accommodates walls that are 4 3/4 - 7 1/4 in thick.Flap Opening: 10 1/4"W x 16 1/4"H. Frame: 14 1/4"W x 21 1/16"H. Cutout in wall:12"W x 17 3/4"H.

EASY INSTALLATION: This pet door easily installed in all types of interior and exterior walls; cut-out template and step-by-step instructions are included, simple to follow instructions walk you through the install.

New style has rivets on bottom bar

10-1/2-inch by 15-inch flap size fits ideal pet extra-large pet door

Simple installation

GIVE YOUR PETS FREEDOM: No more planning your schedule around potty breaks, your four-legged friends can come and go on their time

SOLID ALUMINUM FRAME: Designed to withstand wear and tear, the strong metal frame with its reinforced aluminum corners can handle active and multi-pet households

DURABLE CONSTRUCTION: Includes a flexible, tinted flap; great for indoor and outdoor storm, wood, PVC, and metal doors

Suitable for small to average-sized cats

4-way lock control: in and out, in only, out only or locked

Extremely durable, made from super-tough polymer

PLEASE NOTE SIZE - Flap opening size is 8." W x 10.2" H, For SMALL dogs and cats or other small animal.

AUTOMATIC CLOSE & LOCKABLE - Dog door with magnetic flap closures, built-in magnetic can keep the door automatically closed when your dog leaves

SUITABLE FOR ALL SCREEN DOOR - Our item suitable for all the screen door and allow your pets freedom to get in and out.

✅ CAT DOOR WITH CLIP ON SELF GROOMING BRUSH: Caresses and scratches your cat on every pass. VIP Treatment.

✅ REDUCES CAT HAIR SCATTERED ACROSS THE HOUSE: Brush collects loose cat hair when it sheds on every pass through hole, improving the overall cleanliness and hygiene of your home. Brush can easily be removed for a quick dust off then reinserted when required.

✅ CAT DOOR SEPARATES LITTLE KIDS AND THE DOG FROM THE LITTER TRAY - Keeps litter box odors or food confined to one room, whilst allowing VIP access for your cat, anytime. Never worry about locking your cat in one room.

Closing Panel lets you control when your cat or dog comes in and out of the house.

Durable, rust-proof, metal doggie door cover.

Pet door cover fits your existing Baboni pet door for wall.

☞CONVENIENT LOCK --- The knob-style switch is 4 way rotary, you can easily rotate it to 4 modes with the arrow and icons to control your cat's access options: in only, out only, in and out freely, totally locked.

☞IMPROVED WEATHER-PROOF BRUSH STRIP --- It provides a fixed groove with snap tabs for weather-proof brush strip, firmly fix the brush strip. Even if the brush strip comes off, easy to put it back into the fixed groove. This greatly help the brush strip reduce noise, stop rain drop, wind or pest like mosquito to the most.

☞THOUGHTFUL SCREWS --- It comes with 2 packs of 8 screws each, one is packed with short screws, the other long. Please screw in with them from both sides to prevent crack out of incaution, don't just from one side. You could make 8 screws for the 4 screw holes with long + long, long + short, or short + short group according to the depth of door / wall being installed.

Namsan is dedicated to researching pet supplies, this pet screen door is authorized by Namsan, which made of quality ABS material, durable and sturdy.

Build-up the provided screws with nuts onto this dog door frame would enough sturdy and never fall down easily, the door flap can be replaced anytime.

Built magnetic into the door frame can keep automatically closing when your dog sliding the screen door, even you can lock the door by the 2 sides blue lock if you would like to prevent your pets from walking freely.

🚪【Fits Door Up to 32x80inch】: Screen Door Measures 34inch x 82inch, fits door sizes:32inch x 80inch(not including door frame). If your door meets this specification, this screen door mesh will be the perfectly fit. The magnet screen door can be used to fit a fixed screen door or fit front, rear, interior or exterior, entry, gates,patio, deck, porch, balcony, glass and even sliding doors. IMPORTANT: Measure your door before ordering

💪【Upgraged Velcro for More Durable and Longer Sticking】:Compared with other 2cm top velcro, our 4cm top velcro can be more firmly stuck on the door frame, which make the curtain can be used for a longer time without falling.

💨【Wind Resistance】: It is not the kind of door screen that can be opened by the breeze. Our magnetic curtain contains 36 strong magnets. The screen door for front door and indoor can effectively prevent the curtain from being opened by the wind and effectively prevent family members and children from being disturbed by mosquitoes.

✔️ Garage Door Screen 16 x8 FT

✔️ KEEP AIR FRESH - The screen net seals around the entire edge of the garage door, helps keep pesky animals out and stop the leaves from blowing in. Brightens your garage, making it a comfortable living space. When your cat or dog to get used to opening the screen, they can just go in and out with ease.

✔️ EASY INSTALLATION - Installs in minutes with the included hook & loop strips. Extra push pins for added security and strength. The screen mesh is retractable, frameless, detachable, can be twisted and folded up for temporary off-season storage.

Small Doggie Door Size: Outer 9.4"×11.4"×0.4", Inner flap opening 8"×10", suggest for cats, small breed dog, puppy or other small animals.

Give your pet an independent door: Let your pets in and out freely to go to the yards or balcony, make your life more convenient.

Lockable & closes automatically: 2 sliding locks on the flap bottom help you to lock the dog screen door, ensure your pet stay inside when unsupervised. Built-in magnetic make the pet door can automatic close quickly after going through.

4 Way Locking Mode --- The pet door could be adjusted by the Red and Green switches with tabs to 4 modes: out only, in only, both in and out, and fully locked, easy control of your pet's in and out.

Size & Application --- Outer Size 9.8" x 11" x 2.15"(W x H X D), Inner size:7.9" x 8.7"(W x H), Cut-Out Size: 8.3" x 9.5" (W x H), suitable for installation on doors and thin walls, suitable for cat lighter than 27.54 lb and waist circumference shorter than 24.8" Improved Weather.

High Quality --- Made of ABS material, weather-resistant, the surface is smooth and durable. It provides a fixed groove with snap tabs for weather-proof brush strip, firmly fix the brush strip. Even if the brush strip comes off, easy to put it back into the fixed groove. This greatly help the brush strip reduce noise, stop rain drop, wind or pest like mosquito to the most.

PERFECT FOR APARTMENTS AND RENTAL HOMES: This rental-friendly door installs easily in 1 piece so you can easily take it with you if you and your best friend move

2 ADJUSTABLE SIZES: The patio panel is available in 2 adjustable heights to fit in your existing sliding door track; adjustable up to 80 11/16 in or 96 in

DESIGNED FOR MEDIUM PETS: Flap opening is 8 1/4 W x 13 3/16 in H for pets up to 40 lb. Easily installs without cutting into a door or wall

Convenient Pet Screen Door: Inside size 14x12x0.5inch, outside size: 16x14x0.5 inch.This pet screen door is designed for screen windows or doors to allow your pets to get in/out. It's so convenient that they can get indoor or outdoor on their own.

Self-Closing & Lockable: Our dog screen door with built-in magnetic can keep the door automatically closed when your dog leaves. You can even lock the door to prevent your pets go out at night or when you are not at home.

Sturdy & Durable: Made of high quality ABS material. Screws reinforcement makes our pet screen door sturdy enough and never easily fell apart. It can last for long time.

☞4 WAY SWITCH MODE --- The pet door could be adjusted by the Red and Green switches with tabs to 4 modes: out only, in only, both in and out, and fully locked, easy control of your pet's in and out.

☞SIZE & APPLICATION --- Outer Size: 9.8" x 11" x 2.15"(W x H x D), Inner size: 7.9" x 8.7"(W x H), Cut-Out Size: 8.3" x 9.5" (W x H), suitable for installation on doors and thin walls, suitable for cat and doggie lighter than 27.54 lb and waist circumference shorter than 24.8"

☞SAFE & THOUGHTFUL --- The transparent flap let pet see through the door. Exterior rain seal is for waterproof. Brush strip eliminates noise from the door closing.

All-in-one kit for any do-it-yourself pet door installation for a better fit and improved energy efficiency

Perfect for providing additional water-resistance and weather protection, especially for installations in a door or application with raised panels or raised surface

For use with PetSafe Brand and other pet doors

1.[Function]Cat corrider without flap designed specifically for cats, she or he can walk through the doors of house unimpeded.

2.[Size]The inner opening size is 7" wide 6 5/8" high, the size of hole is scientifically designed in accordance with cat-engineering, neither too big nor too small, just right.

3.[Usage-scenario]Detailed instructions, complete accessories, easy install on door(solid door, hollow door, metal door, etc.), wall, window screen, glass thickness of 0"-1.97"(bedroom, laundry room, garage, basement, etc.)

OPTIMIZE YOUR ENERGY BILL: PetSafe brand’s most energy-efficient pet door will protect your home from drafts in any climate

ENCOURAGE EXERCISE AND INDEPENDENCE: Give your cats and dogs freedom to go in or out without asking for your help to open the door—perfect for potty breaks or play time

FLAP INSULATION: Insulated to block 3 times more thermal energy than a standard pet door, and includes adjustable, flexible flaps with a magnetic seal to keep the weather outside where it belongs

✔ SELF FRAMING ENDURA DOGGIE DOOR DESIGN: The flexible Endura Flap Pet Door for Door is perfect for exterior doors, interior doors, condo, dog house, dog kennel, dog doors, gates & ramps. It comes with simple instructions and sizes for extra small to extra large dogs or cats. For large dogs or small pets is suitable for interior and patio doors 1/2" to 1-3/4" thick. The Endura Flap is a perfect durable, thermo design for doggie door for door mounts.

✔ WORKS FOR ALL SIZED PETS: The Endura Flap Single Flap Dog Door is available in Small, Medium, Large, and XL pet door sizes that can accommodate a large dog or a small cat. Its small and large pet door magnets can be removed from the dog door flap on the Endura Door Mount Pet Door to accommodate smaller pets without sacrificing the signature Endura extreme weather dog door protection quality. White, Tan, and Black frame color options help match the doggie door to your home's aesthetics

✔ EASY USE AS DOG DOOR OR CAT DOOR: It's tall flap works well as an exterior cat or dog door. Endura dog door magnets have adjustable strength for training timid pets, while keeping the Endura Flap Dog Door sealed against 50 mph winds and resisting -40 degree F temperatures. Our insulated dog door Endura Flap design is more energy efficient than regular small to giant dog door products, making it a better weatherproof dog door than any another very durable plastic dog door design.

Medium Size: Outer Size: 7.5" x 7.8" x 2" ( W x H X D); Inner size: 5.9" x 6.3" ( W x H) ; Cut-Out Size: 6.3" x 6.7" (W x H); Fit Cats up to 15 lbs (with a waistline less than 15")，Suitable for any wall or door that is up to 50mm thick.

Perfect Cat Door: A great solution to give your cat access to any interior room, while giving you complete control. Perfect for accessing to the bedroom or the litter box when kept behind closed doors to keep the dog and kids out.

Thoughtful Design: Transparent flap let pet see through the door. Exterior screen of the cat door is for water resistent. Brush strip reduces noise from the door closing.

COMPATIBILITY: This adapter is to be used when installing the PetSafe Microchip Cat Flap (PPA19-16145/PPA19-16687) in glass, walls, and doors containing metal. It is also a necessary part for the PetSafe Manual Cat Flap (PPA19-16732) when fitting in glass or a wall

ENERGY EFFICIENT: This mounting adapter contributes to a better resistance to bad weather (gusts of wind, rain...) when your cat flap is to be installed in walls or windows

EASY TO INSTALL: The adapter is suitable for mounting on PVC, single or double glazed windows and doors (please consult a glazier), in a wall, or a door containing metal

EASY INSTALLATION this cat door is suitable for wooden doors, PVC doors, metal doors and walls//INSTALLATION IN GLASS NO. A tunnel extension is available separately

LOCKING SYSTEM to close your cat door, simply place the closure panel

DIMENSIONS the dimensions of the small cat flap (S) are 23.60 cm x 19.80 cm; maximum shoulder width 14.70 cm. It is well suited for cats, kittens and small dogs up to 7 kg

Used to install the SureFlap Microchip Pet Door in windows or other glass panels

Supplied in packs of two for the inside and outside of the installation

Can be used to cover gaps left by previous pet doors

【Fit For Large Doors and Large Size Pets】: Replacement dog door flap Measures 10 1/8"(Width) x 16 7/8"(Height), 5 Screw holes at the top of the Flap for adjustment, and it also can be use as cat door flap replacement

【Compatible with】: Doggie door replacement flaps compatible with your PetSafe Freedom pet door, ,doggie doors, replacement flap PAC11-11039

【Easy to Install With Screw】: Comes with a replacement flap and screws, Installs in just minutes with only a screwdriver.

Easy installation: this PetSafe cat flap can be installed in just three easy installation steps and is suitable for brick walls, wooden doors, PVC and metal doors, as well as single and double glass windows and doors. It can also be installed in doors and walls with a thickness of 6 cm.

Weatherproof and safe thanks to the magnetic strip which has been attached around the flap, the flap can be used both in summer and in winter and is protected by 4 types of closure.

Dimensions: the dimensions of the PetSafe free run door: 22.6 x 10.5 x 22.8 cm; maximum shoulder width: 16.2 cm; cats up to 7 kg.