Product Details:

Flexible Rubber Flap Opens and Closes Quietly.

This Replacement Flap is easy to install and features a tough flexible rubber flap and U-frame with permanent magnets. It fits on MD400 deluxe pet doors.

Flap Size: 8-1/2 x 12-1/2 in (216 x 317.5 mm).

Minimum Order:  1 Package.

One flap and U-frame with installation screws per package.