The Staywell® 900 Series Replacement Flap replaces your old flap, so your cat can go outside safely and independently. This flap is made from rigid frosted plastic and fits both the Staywell® Classic Manual 4-Way Locking Cat Flap (900 Series) and the Staywell® Classic Magnetic 4-Way Locking Cat Flap (900 Series). Features Crafted from sturdy plastic for exceptional durability Simple installation process Compatible with Staywell® Classic 4-Way Locking and Staywell® Manual 4-Way Locking Cat Flap Built to endure various weather conditions for year-round use Installs into the existing frame This replacement flap is designed to be installed into the existing cat flap frame using the provided instructions to restore access.