1High quality artificial leather, soft and thick; the neoprene lining is soft and comfortable to use, high comfort of the collar. 2Zinc alloy hardware is durable and does not rust. Size is adjustable, suitable for pets of various sizes. 3Stainless steel sheet, suitable for engraving, you can engrave pet name and contact information to prevent pets from getting lost. 42pcs of collars are available for use, beautiful color, looks exquisite and fashionable, meet your different needs. 5Multiple sizes of dog collars are optional, you can choose according to needs, it is a practical pet supplies.