【Cat Flap Size Specification】Inner size 7 / 18CM x 7.6 / 19.5CM, and the outer size is 9.2 / 23.5CM x 9.8 / 25CM x 2.1 / 5.4CM.Comes with screws.Perfect for cats and small animals. 【Perfect Design】The cat door with lock has 4 switch modes, co.ukee access, in only, out only and totally locked.When cats and puppies pass through the cat door, the magnet at the bottom returns them to their original position. Cat doors open without making noise. 【Durable and Easy to Install】The cat flaps is made of ABS material, with smooth, durable and weather resistant surface. The external seal is rainproof and waterproof. It is easy to install and can be used after installation. 【co.ukeedom】Most pets like the transparent flap. This size is suitable for many fat cats. It is suitable for installation in inner door, outer door, cabinet, window, wall, glass, etc. Pet door can provide your pets with co.ukeedom and independence, allowing them to go in and out co.ukeely. Product description Cat Flap Brown Cat