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 park, school trips. Totally adjustable and comfortable to wear. Sequentially numbered for added accountability. 100% recycled material, CPSIA Certified. Bar code and custom imprint available. Made in the USA. Recommended wear time is 1 to 3 days. Colors may not be exact. For critical wristband color orders please request a sample.