Custom Cat Window Inserts for Cold Weather | Draft-Free Cat Doors by Cat Flap Fever™
Cat Flap Fever™ custom cat window inserts are built for comfort, convenience, and cold weather. With a snug, draft-free seal and weather-resistant design, they keep your home cozy while giving your cat safe, independent access to the outdoors—even in freezing winters. Perfect for catios and enclosed spaces, they’re the ultimate solution for happy cats and warmer homes.