Reflective Strap:Dog collar with high-quality reflective threads for extra visibility from distance at night. Neoprene Padded:Soft and breathable padded dog collar,with high density nylon webbing. Comfy for dogs to wear for a long time. Accessories:Premium ABS made buckle with variable trendy color options, fashion look in dog and good taste for the owner.The metal D ring is chrome coated to add durability.Dog Colalr is convenient to adjust, put on and take off. Smart ID Ring:azuza dog collar is designed with an extra ID tag ring for the purpose of attaching dog charms, tags, pendants or accessories. Size:X-Small Width 5/8", Neck Size 8"-12"; Small Width 3/4", Neck Size 10"-16"; Medium Width 1", Neck Size 14"-20"; Large Width 1", Neck Size 16"-25"