Discover the Duvo Plus Cat Flap with Tunnel, the perfect solution for your feline's freedom and security. Made from durable plastic, this door is ideal for installation in walls and doors up to 50mm thick. Featuring an adjustable length tunnel and four locking settings, it offers complete control over your cat's entry and exit. The automatic closing magnet ensures the door always closes correctly, protecting your home from draughts. Designed for small to medium-sized cats, please ensure the measurements are suitable for your pet.