Check the listing for details. Wristbands 500ct - Waterproof, Glows Under Blacklight, For Events, Parties. Color: Yellow, Condition: New. Listed at 8.00 USD. The Amscan wristbands come in a pack of 500 and are made of waterproof Tyvek material. These wristbands are designed to glow under blacklight, making them perfect for events and parties. Multipurpose and suitable for all occasions, these wristbands are a great addition to any event-themed celebration. Each unit is equipped with a unique design that makes them stand out and ensures proper identification for guests and attendees.The Amscan wristbands come in a pack of 500 and are made of waterproof Tyvek material. These wristbands are designed to glow under blacklight, making them perfect for events and parties. Multipurpose and suitable for all occasions, these wristbands are a great addition to any event-themed celebration. Each unit is equipped with a unique design that makes them stand out and ensures proper identification for guests and attendees.