This collar is the ultimate blend of comfort and durability. It is fundamentally a wide strap of thick leather lined with two layers of ultra soft faux fur. It is wrapped with a 1 inch wide leather strap. The lockable buckle on the strap is compatible with any small padlock. With the fur included – this collar is an impressive 2 3/8 inches wide. Nine sizing slots ensure a comfortable fit. Measurement – Small/Medium fits neck sizes from 13 to 19 inches around – Large/Extra Large fits neck sizes from 20 to 26 inches around. Material Leather – Faux Fur & Metal.