Perfect UPF 40+ sun protection swim set for little pool paddlers and beach bums! Machine washable and can be tumble dried. Mix & match – coordinate your swim style with Bambino Mio swim nappies and swim rash tops. Made from swim nappy inner: 80% cotton, 20% polyester with polyurethane coating, swim nappy outer: 100% polyester. Swim rash top: 90% polyester, 10% spandex. These garments conform to European standard EN13758-2 and BS8466 and provides UVA + UVB protection from the sun (this applies to babies 6 months and over only). Sun exposure can cause skin damage. Only covered areas are protected. The sun protection offered by this product may be reduced when the item is wet or stretched.