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. Wristbands are perfect for admission, bars, identifying visitors, festivals, schools and sporting events. Sequentially numbered and perforated to easily separate and attach to wrist.