Check the listing for details. Wristbands 250ct - Waterproof - Glows Under Blacklight - Events - Parties. Color: Yellow, Condition: New. Listed at 5.00 USD. The product is a set of 250 waterproof wristbands by Amscan, designed for events and parties. These Tyvek wristbands feature a solid pattern and glow under blacklight, making them perfect for all occasions. They are suitable for multipurpose use and come in a unit quantity of 250, ensuring that you have plenty for your event. These wristbands add an extra element of fun and security to any party or event.The product is a set of 250 waterproof wristbands by Amscan, designed for events and parties. These Tyvek wristbands feature a solid pattern and glow under blacklight, making them perfect for all occasions. They are suitable for multipurpose use and come in a unit quantity of 250, ensuring that you have plenty for your event. These wristbands add an extra element of fun and security to any party or event.