Made from sustainable recycled polyester. * Secure, lightweight, and comfortable swim diaper encourages swimming. * UPF 50+ Sun protection blocks 5%-99+% of UV rays. * Our reusable swim diaper is trusted by over 200 national swim schools and private swim instructors for secure protection. * Certified STANDARD 100 by OEKO-TEX® and independently tested against a list of over 350 harmful substances. #SH020 131584 TESTEX. * Complies with international testing standards for major testing regions including the United States, Canada, Europe, Japan, and China.