OMZER Extra Large Pet Door (Outer Size 11" x 9.8"), Cat Flap Door with 5 Way Locking Large Cat Door for Interior Exterior Doors, Weatherproof Pet Door for Cats & Doggie (Black)

Noiseless brush hair edged - Three sides of the door inside with premium brush hair, help reduce the noise each time in and out.

4-Way locking systems - 4 settings available, freely choose one that meets your current needs most.
Simply slide the one or both lock buttons on the bottom of the flap to set the door to one of the following systems:
1. Door flap locked from both sides, supports neither in nor out.
2. Door flap completely opened, supports both in and out.
3. Cat can only get in but is not able to go out.
4. Cat can go out but can not get back in (for preventing other cats from entering).

Cat Door Specifications
Outer Size: 9.8" x 11" x 2.17"(W x H x D);
Inner size: 7.9" x 8.7"(W x H);
Color: White
Style: Flap

Package Includes of Cat Door :

1 X Cat flap door

4 X Sticky strips

8 X Screws

8 X Screw caps

1 X Installation instructions