Material: plastic 2 Colors: White, Brown 4 sizes: S, M, L, XL Item: Pet Door Type: Lockable Flap Door Feature: Lockable Size S: Size frame: 19 x 20 cm / 7.4 x 7.8 inch (W x H) Door size: 14.5 x 15.5 cm / 5.7 x 6.0 inch (W x H) Thickness: 2.1cm / 0.8 inch Size M: Frame size: 19 x 20 cm / 7.4 x 7.8 inch (W x H) Door Size: 14.5 x 15.5cm / 5.7 x 6.0 inch (W x H) Thickness: 5.4cm / 2.1 inch Size L: Frame size: 23.5 x 25 cm / 9.2 x 9.8 inch (W x H) Frame size: the door: 18 x 19.5 cm / 7.0 x 7.6 inch (W x H) Thickness: 5.4cm / 2.1 inch XSize L: Frame size: 24.5 x 28.5cm / 9.6 x 11.2 inch (W x H) Door size: 20 x 22cm / 7.9 x 8.7 inch (W x H) Thickness: 5.4cm / 2.1 inch Best for: chi in, cat Suit for: door, panel, wall 4-way locking: Open, Fully locked, Exit only, Entry only. Animals pets only go in, can’t go out Pets only go out, can’t get in Pets can go in and out Pets only can’t get in or out Clear flap door lets you and your pet see what’s on the other side of the door. White ABS