Ideal Pet Products ChubbyKat Cat Door

This large cat door is specially designed for cats weighing up to 25 pounds. Transparent unbreakable LEXAN flap 7.5" x 10.5" flap with 4-way lock. For cats 2 - 25 lbs. Flap size 7.5" x 10.5" Cutout size 8.25" x 13.75" Door thickness range 1.25" - 1.75" Interior or exterior use