Color: White/BrownMaterial: ABS Slide the lock on the bottom of the flap to set the door to one of the following positions.1. The bezel locks from both sides.2. The flip cover is fully opened, and cats can come in and out at will.3. The cat can only enter from the outside and cannot go out again.4. The cat can go out but cannot come back (to prevent other cats from coming in too) Setup is quick and easy. with screws The dimensions are as follows:1. Small size: 20*19*2cm2. Large size: 25*23.5*5.5cm3. Extra large size 28*25*5.5cm This 4-way lockable cat flap is suitable for both cats and puppies, please check the information given above before purchasing.4 lockable functions - open, fully locked, out only, in only Package Contains: 1* Pet Door Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)