Max and Neo Dog Gear Nylon Reflective Martingale Dog Collar with Chain

Size: Medium: 16 to 19.25-in neck, 1-in wide These long-lasting and high-quality collars are 1-inch wide and made of thick, heavy duty nylon webbing. Included D-ring is 5 millimeters thick and made of sturdy metal and perfect for attaching leashes and leads. Features a separate nonmetal tab for attaching your pet’s dog tags and charms without the noisy jingling. Martingale design is perfect for obedience and behavioral training in puppies, new dogs and aggressive walkers.