UNIQUE AND ALL-LOOKING DESIGN: Is your cat square? So why use a boring, square cat flap? The LYNX Indoor Cat Flap boasts a unique cylindrical design, adding a touch of entertainment that even the most boring cats will enjoy! Bring freedom to your cat with this stylish pet door! EASY ACCESS & KEEPS ODORS OUT: Create a private escape for your cat to the laundry room, pantry, basement, garage, etc. Keep litter box smell out of your dining room and dogs and babies away from cat food. WORRY-FREE INSTALLATION IN UNDER 30 MINUTES: No DIY experience necessary. Follow the instructions in the manual, use the cutting template and your cat will be bounding through this cat flap in no time. Fits hollow & solid doors 2.5-5cm thick. SUITABLE FOR SMALL AND MEDIUM SIZED CATS: The maximum hatch opening size is 15cm x 19cm. Corresponds to cats weighing less than 5.5 kg. Your cat will easily learn to climb the cat flap if you use our free training tips. And their tails and legs won’t get stuck. DURABLE