Four sizes of rivet dog collars, From S to L, modified for cats and small to medium-sized dogs. S: 371.3cm; M: 421.8cm; G: 51*2.3cm; please measure your pet’s neck before ordering. Made of comfortable leather + high quality zinc alloy and wear resistant material, super durable and never rust or fade. Sturdy D-ring collar prevents neck and dog biting for a stylish statement. Bright colors with spiked nails will make your dog more attractive. Adjustable and easy to store workers. Quantity shipped: 1 piece