Made of genuine cowhide leather, imported top layer, wear resistant. High quality craftsmanship makes the collar strong enough to last for a long time. PERSONALIZED DOG COLLAR WITH GOLD NAMEPLATE - Personalized Laser Engraved Pet Name, Phone Number Durable Use. Engraved Buckle and Dog Collar - Made with high quality alloy buckles that won’t break or break like plastic buckles. Heavy-duty D-rings are designed to carry extra ropes and loops for walking, running, and outdoor activities. 6 mushroom rivets keep the D-ring strong enough to keep the dog alive. Designed for small, medium and large dogs - XS: {width 0.6", neck 9.4-30.8 (24-30cm)}, S: {width 0.8", neck 11.8-15.7" (30-40cm)}; M: {width 1", neck 15.7-19.7" (40-50cm)}; L : {width 1.2", neck 19.7-23.6" (50-62cm)}. Ideal for medium and large dogs �