Charlie Banana Reusable Swim Diaper are soft reusable diapers. Charlie Banana signature softness comes from TENCEL® Lyocell, a unique sustainable material designed for natural comfort. No disposable diaper needed. Go swimming, throw it in the wash and reuse again and again. All Charlie Banana products are crafted with carefully selected materials and rigorously tested by leading independent laboratories. TENCEL® Lyocell is produced from sustainably sourced wood, through environmentally responsible processes. 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.