EverRouge Lupine 3/4-Inch Red Containment Collar Strap for Small Dogs Durable woven nylon, in seven rich colors Works with PetSafe, Invisible Fence, Pet Stop and DogGuard electronic containment receivers For use with compatible containment systems only. This collar is not for leash walking your pet. Proudly built in Conway, New Hampshire GUARANTEED (Even if Chewed)