Ideal Pet Products Lockable Cat Flap Door

Transparent Unbreakable LEXAN flap 6-1/4" x 6-1/4" with 4-way lock. Interior or exterior use. Telescoping frame ranging from 1-1/4 to 1-3/4" in thickness. For cats 2 - 12 lbs. Flap size 6.25" x 6.25" Cutout size 7.5" x 7.25" Door thickness range 1.25" - 1.75"