This listing is for 5,000 1 BLUE Tyvek Wristbands. Tyvek wristbands are great for admission control, age verification, bars, nightclubs, festivals, school functions, social outings, and many more uses. Wristbands are esentially a wearable ticket which is always highly visible and can never be lost while affixed to the guests wrist, making entry a breeze. All of our Tyvek wristbands are made with a tamper evident closure and are designed to shred if attempted to be taken off and switched with another person. These are 100% waterproof and you can write on these wristbands with a Sharpie! Please feel free to ask if yo.