PetSafe Magnetic Collar Key - Controlled Entry - Safe, Convenient, Secure, Microchip alternative for Cats - Compatible with 400 & 900 Series Cat Flaps

Suitable for Multiple Cats: Ensure all your feline friends can access your magnetic cat door by purchasing a magnetic key for each cat Versatile Use: The magnetic key can be easily detached from the elastic strap, allowing you to pair it with any existing cat collar Comfortable Design: Comes with an elastic strap specifically designed for cats, ensuring a comfortable and secure fit Seamless Compatibility: Works with PetSafe Magnetic Cat Flaps from the 400 and 900 Series, offering reliable access A 27 Year Legacy of Joy: Since 1998, PetSafe has been dedicated to creating innovative products that ensure safe and healthy pets, bringing happiness to pet families worldwide and enriching the lives of pets and their owners