Solid PVC Base Cat Door Window Insert - Easy No-Tools Installation!

Our Cat Door Window Insert is crafted from solid, weather-resistant white PVC sourced in the U.S. and made with recycled materials for lasting durability and ecofriendly performance. Each insert is custom cut for a perfect fit and comes with your choice of premium Cat Mate brand flaps, so your cat can enjoy safe, easy access while keeping the weather and bugs outside.  We use only the best flaps on the market—Premium Cat Mate Flaps—known for their durability and smooth operation. Our standard 6"x6" locking flap is included in the price and fits most cats up to 15 pounds. For our furrier friends, you can upgrade to the Cat Mate large four-way locking flap or choose the single-scan microchip flap available in white or dark gray for a sleek, high-end look. These are premium-level components designed for a long-lasting performance. Simply select your preferred flap from the dropdown menu on the order page. If you have a flap style not listed, let us know—we'll be happy to confirm compatibi