Features: 1. LARGE CAT DOOR FOR BEEFIER BREEDS: Suitable for larger cats such as Maine Coon, Burmese, or Egyptian Mau. This cat door accommodates most cats. 2. SECURE CAT PORTAL: Unlike pet doors that use tape, this cat door securely attaches with sturdy screws. Quick installation and remains firmly in place. 3. KEEPS LARGER DOGS OUT: Helps prevent bigger dogs from accessing cat food and litter areas. 4. FLAP-FREE DESIGN: Eliminates the difficulty of training cats to use flaps. The open passage allows cats to walk through easily. 5. COMPATIBLE WITH SOLID AND HOLLOW DOORS: Fits most interior doors with a cutout size of 22.5x27cm (HxW). Specially designed to prevent paws from getting caught in hollow-core doors. Note: * Actual color may vary slightly due to monitor differences and lighting conditions. * Allow 1-3cm variation due to manual measurement. Size: 22.5 x 27 x 5.5cm Includes: 1 set x cat door (includes screws and screw caps)