Faux Leather Collar in Cognac Brown with Rows of Red Crystals and Gun Metal Studs. Nickel Plated Rounded Roll Buckle. XS (1/2" X 8.5"-10.5") S (3/4" X 9.5"-12") M (3/4" X 12"-14") L (1" X 14"-18") XL (1" X 18"-22").