Charlie Banana Reusable Swim Diaper Deliciuos Donuts comes with Charlie Banana's 'Signature' softness, deliver a snug fit, are gentle on your baby's delicate skin, and help care for our planet. Charlie Banana signature softness comes from TENCEL® Lyocell, a unique sustainable material designed for natural comfort. TENCEL® Lyocell is produced from sustainably sourced wood, through environmentally responsible processes. No disposable diaper needed. Go swimming, throw it in the wash and reuse again and again. 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. It is made with a waterproof outer layer, and super soft, highly absorbent TENCEL® Lyocell inside.