Ideal Pet Products Air Seal Door with Telescoping Frame, Small, 6.63" x 7.25" Flap Size

Transparent, unbreakable dual pane panels crafted for maximum thermal protection. Perfectly fits doors ranging from 1-1/4" to 1-3/4" thick. Enjoy the convenience of a spring-loaded locking slide. Includes everything you'll need to set up your pet door with ease. Flap size 6-5/8”x 7-1/4”. Recommended for small dogs and large cats up to 12 lbs.