Adjustable Dog Collar in Rainbow Chevron (U.S.A. Made) All CritterGear Orders Are Shipped Within 24 Hours Medium Collar Length/Neck Size: 10-16" Inches Long Medium Collar Width: 3/4" Inch Wide Average Dog Size Weight Wearing Medium Collar: 20-44 lbs Our strong yet fashionable dog collars will make your pet stand out and be the talk of the town. Whether you are looking for a fun, everyday pattern, or a Holiday specific pattern, we have many options to choose from. CritterGear collars are made with strong durable nylon core and covered with a fun unique 100% cotton fabric pattern. Collars are machine washable..