Real Crystal on the buckle and strap Metallic top is made of quality leatherette for durability Backside is made with real leather suede for comfort. Department store quality Width of the collar is 0.85" or 22 mm Length measurement S : From Start of leather to middle hole is 10", from middle hole to tip is 3.5" more, total 13.5" M: From Start of leather to middle hole is 12", from middle hole to tip is 3.5" more, total 15.5" L: From Start of leather to middle hole is 14", from middle hole to tip is 3.5" more, total 17.5" Best is to compare with a collar you are currently using to find the best size to fit. Average weight of the collar is 3--5 oz.