Radio Systems Quick Fit Plastic Pet Door

QUICK FIT PET DOOR Easiest door ever to install No screws or hardware White-high impact plastic Closing panel that fits on both inside or outside Flap design provides weather resistant seal Soft, clear vinyl flap is easy for pet to open Fits doors from 1.25in - 2in thick.
Small up to 12 lbs 4.25in X 7in
Medium up to 40 lbs 8in X 11in
Large up to 100 lbs 10.5in X 14.5in