SICURIX Security Wrist Band is a single use, waterproof wrist band made from DuPont Tyvek. The wrist bands are _ inches wide and 10 inches long. Each one is perforated and has a one time use, peel off adhesive liner. The Wristpass(R) isa superior means of admission control. These bands are perfect for club admission, conventions, parties, bars, crowd control, birthday parties, legal drinking age, festivals, safety and security and school trips. Each tag is sequentially numbered. Thepack contains 100 yellow wrist bands. This item is made from materials that are safer for children.