Size: Passage by opening: 6.896.891.38’’ Outside size: 10.559.052.17’’ Prepare a warm house for stray pets in the cold night Do you have an animated kitten? cat fish Porte l cat for cats under 30 lbs. This patented, patent-pending Cat Litter Pet Door makes it easy to touch Katzbet’s cat litter box. It can also be installedin the garage to help stray cats get through the cold night. Our advantage: This ingenious cat crossbar is ideal for the bedroom, bathroom, laundry room, basement, mud rooms, closets and more. Purrfect for beffective breeds like Maine Coon, Birman, Bengal Cat, American Bodailand the ragdoll. easier to install. Promoting complicated puss holes requiring messy adhesive, pens and tapes. Your iCuso cat door easily installs in just 15-20 minutes. Just bolt on both sides, topof bolts, and they are set. All hardware is included. Safer than most. Little time wasted with the bolt-not-fluffy adhesive. This sturdy entry door for cats will never tear from their interior