Hamilton Single Thick Deluxe Dog Collar Reflective Threads Custom accents include rubber logo and custom buckle inserts Shoe Grade Eyelets enhance look and eliminate fraying All cuts finished away from the skin to avoid irritation D-Ring Extra keeper allows for easy tie out Made of premium grade durable nylon and strength tested hardware; Hamilton collars are designed to last When measuring pet's neck or chest to ensure proper and comfortable fit, add 2 inches.