5/8 inch width. Adjustable medium dog collar. Beagle. Border Collie. Boston Terrier. Cocker Spaniel. Dachshund. Greyhound. Scottish Terrier. Schnauzer. This breed list is meant to help find the product to best fit your dog. Recommended leash 5/8 inch. Behind every pounce, purr, tail wag or fetch is a happy pet. Our mission at Paws Happy Life is to help maintain your pets' health and well-being by offering affordable, quality food, treats, toys and accessories for a happy life. www.pawsforpets.com. Quality Guarantee: 100% satisfaction or your money back. Made in China.