Soft - Charlie Banana's "signature" softness comes from TENCEL® Lyocell, a unique sustainable material designed for natural comfort.Simple - Our swim diapers come in 4 snug sizes. No disposable diaper needed. Go swimming, throw it in the wash and reuse again and again.Safe - All Charlie Banana products are crafted with carefully selected materials and rigorously tested by leading independent laboratories.Sustainable - TENCEL® Lyocell is produced from sustainably sourced wood, through environmentally responsible processes. All Charlie Banana products are Climate Neutral Certified. We commit 1% of our sales to tackle climate change and support environmental causes through 1% For The Planet.Protection - All Charlie Banana swim diapers are expertly designed to minimize accidents at the beach or in the pool. Wide back elastics and adjustable waist draw strings that deliver a snug and comfortable fit for your baby. Made with a waterproof outer layer, and super soft, highly absorbent TENCEL® Lyocell inside.