A STYLE AND UNIQUE DESIGN: Is your cat square? So why use a boring, square cat flap? The indoor pet door boasts a unique cylindrical design, adding a touch of fun that even the most boring cats enjoy! Bring freedom to your cat with this stylish pet door! EASY ACCESS & KEEPS SMELLS OUT: Create a private getaway for your cat to the laundry room, pantry, basement, garage, and more. Keep litter box smell out of your dining room and keep dogs and babies away from cat food. WORRY-FREE INSTALLATION IN UNDER 30 MINUTES: None DIY experience required. 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 doors & full 2.5-5cm thick. SUITABLE FOR SMALL AND MEDIUM SIZED CATS: The maximum opening size of the hatch 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 paws won’t get caught. DURABLE