A replacement collar with magnetic key that is compatible with the Staywell Magnetic Cat Flaps (400 & 900 Series). The supplied collar has an elastic strap designed just for cats, but you can take off the key and use it with any cat collar.

Compatible with:
Staywell Deluxe Magnetic 4-Way Locking Cat Flap (400 Series)
Staywell Classic Magnetic 4-Way Locking Cat Flap (900 Series)