Makes chewing fun with hexagons on the surface

Secure fasteners

hot spots from allergies

and flexibility

Dog + Bone Martingale Collar | Hot Pink + Purple Size:Medium (14" - 19") Makes chewing fun with hexagonsDog + Bone Martingale Collar Need a bit more control? Dog + Bone's Martingale Collar's limited cinch design provides a gentle way to keep your dog focused and helps prevent them from slipping out of their collar. When fitting a Martingale Collar, measure the top of your dog's neck behind the ears and ensure that when the limited cinch is pulled, the two ends are close but not touching. Due to the heavy duty materials used, Dog+Bone collars and leashes