LupinePet Originals 3/4" Alpen Glow Containment Collar Strap GUARANTEED (Even if Chewed) Proudly Built in Conway, New Hampshire Add some flair to your dog's receiver collar Works with Pet Safe; Invisible Fence; Pet Stop and Dog Guard electronic containment receivers Adjusts to fit a neck size of 12 to 17 inches For use with compatible containment systems only. This collar is not designed for leash walking your pet