Cat Mate 2-Way Lockable Cat Flap with Liner to 5cm For Doors & Walls White 234W

In, out, in, out?. Draught- and weather-proof fully brush sealed flap with magnetic closure. Cut-out size: width 165mm (6 1/2”), height 174mm (6 7/8”), flap opening size: 145mm width 145mm height. 2-way lock.

eBay