Hamilton Single Thick Nylon Deluxe Dog Collar Deluxe nylon dog collar made with Hamilton commitment to quality Made of the highest quality nylon webbing and color coordinated stitching Includes nickel tongue buckle and D-ring to allow for easy tie out and with an extra keeper dedicated to ID info Available in sizes from 12 to 20-inch length Available in a rainbow of vivid colors When measuring pet's neck or chest to ensure proper and comfortable fit, add 2 inches.