This American Flag Dog Collar is made of soft and comfortable yet sturdy fabric. It has a plastic buckle and a metal ring. You can easily adjust its length for the comfort of your dog. Your dog will love it! Details Adjustable length Soft and strong fabric Plastic buckle Metal ring Available in the following designs: American Flag Dog Collar, Buffalo Check Dog Collar, Gingham Dog Collar - Black, Gingham Dog Collar - Red, Red And Black Dog Collar Size Guide Size Width Neck Length S 0.8" (2cm) 11"-14.2" (28-36cm) M 1" (2.5cm) 14.2"-20.1" (36-51cm) L 1" (2.5cm) 20.1"-26" (51-66cm)