[4-way] Open, closed, entry only or exit only, which allows your cat to enter and exit as it pleases without you losing control of its comings and goings. It can also prevent unwanted animals to come home. [Robust and silent]Made of ABS plastic, it is durable, resistant to scratching by your cat, this cat flap is quite silent thanks to the felt that cushions the door, this model will not scare the most fearful animals . Max weight of the Animal: 7 Kg [Simple and easy installation] This cat flap comes with 4 long screws for a simple and easy installation. It is suitable for all walls and doors as well as for thin panels. [3 sizes for choose]There are 3 sizes for choose. Interior dimension: M (16 x 16 x 5.5cm)/ L(19 x 18cm x 5.5cm)/ XL(22 x 20 x 5.5cm) [Reduce tunnel depth if necessary]If the cat door is too thick for your door, use scissors or a cutting machine to cut off part of the tunnel. The cut scale is about 2-4CM.
