Guardian Gear Nylon Martingale Pet Collar - Red
This martingale dog collar works like a choke collar but without the chain. All collar will tighten when a dog pulls on a lead, then relaxes when the pulling stops. Also works to prevent dogs from backing out of their collars. Great for breeds with large necks and small heads like greyhounds. Each includes a hangtag. Made of nylon and metal. Available in red color. Measures 5/8-inch wide collar fits 14 to 20-Inch dogs neck.