Features: Water proof adhesive - guaranteed to stay on in the water Secure tamper resistant die cut adhesive tab Strong, durable, and water resistant DuPont Tyvek Excellent for short term use; concerts, water parks, school trips Sequentially numbered for added accountability 100% recyclable material Recommended wear-time is 1 to 3 days Wristbands fit from child to adult size wrists Personalized Option: Each wristband can have an individual’s name placed on it with a clear decal one location, add an additional 3 working days production.