"This collar features exceptional leather and craftsmanship. Made from full grain bridle leather that has been drum dyed, the edges are polished and smoothed for that extra touch. Unique design features solid brass spikes and genuine Swarovski crystals, hand set with brass rivets. The buckle and D-ring are also solid brass, overlaid with anti-rust chrome. • Small: fits 13”-15.5"" neck • Medium: fits 16""-18.5"" neck • Large: fits 18”-21"" neck • X-Large: fits 21.5”-25"" neck"