Specifications: Material: Plastic ABS Colour: White Size: S-19.7*19*2cm / M-19.7*19*5.3m / L-25*23.5*5.3cm / XL-27.7*25*5.5cm Package Includes: 1 x Pets Flap Door 4 Switching Modes Cat Door - Our cat flap door has 4 independent models to lock with switches - swing out only, in only, both in and out, and fully locked, easy control of your pet's in and out. You no longer have to open your door when your pet wants to enter/exit the room. Make your life easier and your pet feel free. 😺Size And Application - Pet doors come in four sizes in total. M Size Outer Size 7.48*7.87*2.16''(W x H X D), Inner size:6.29*6.18"(W x H), suitable for cats lighter than 16 lb and waist circumference shorter than 15.75".