Nylon Martingale Dog Collar Black 14"- 20"

5/8" Collar adjusts to fit necks 14"-20"

Guardian Gear® Nylon Martingale Dog Collars work like a choke collar but without the chain.

•All-nylon collar will tighten when a dog pulls on a lead, then relaxes when the pulling stops

•Prevents dogs from backing out of their collars

•Great for breeds with large necks and small heads like greyhounds