Trim, lightweight, and comfortable swim diaper encourages swimming—Baby will move freely during swim lessons without feeling weighed down. No bulky fabric and extra snaps. Our 2-in-1 baby boy swimsuit and reusable swim diaper is all you need for playtime at the pool or beach.Patented design is breathable, absorbent, and waterproof—As the original swim diaper manufacturer, our patented triple-layer design offers superior function and comfort. The wicking liner is breathable against baby’s skin and helps prevent diaper rash. The inner absorbent layer helps protect against messes outside the pool without puffing up, while the waterproof outer layer works with the snug-fitting waist and legs to offer secure protection from accidents. A snug fit and frequent diaper checks are essential for any swim diaper to prevent pool accidents, see the size chart for more information. U.S. Pat. No. 7,678,094No other diaper necessary! Economical and creates less waste—Save money and reduce waste with our machine-washable, reusable swim diaper compared to disposable swim diapers.UPF 50+ sun protection—All i play.® by green sprouts® Swim and Sun Wear offer excellent sun protection by blocking 97.5%-99+% of UV rays.Meets STANDARD 100 BY OEKO-TEX® certification for your baby’s health and safety—Products with the STANDARD 100 by OEKO-TEX® label have been independently tested for over 350 harmful substances that go beyond global legal regulations. Label: 18.HCN.45552 HOHENSTEIN HTTI.Trusted by national swim schools and private swim instructors—Many national and international swim schools, private swim instructors, and municipalities only trust our reusable swim diapers in their pools during swim lessons.