The 4-way locking cat flaps are easy to install and draft proof. This product is recommended for thin panels & screens.
Assembly Instructions: Each flap includes simple instructions with diagrams and a cut-out template to make installation relatively easy
Dimensions: Overall size: 7-5 / 8”W x 7-7 / 8”H
Cut out size: 6-1 / 2”W x 6-7 / 8”H