The Swim Nappy is an essential summer staple suitable to be worn either under any bottoms or by themselves for a secure and pleasant swimming experience. - Inner nappy lining - Wash and re-use friendly - Fabric Outer: 80% Nylon, 20% Elastane - Fabric Inner: 88% Polyester, 12% Elastane Important Note: This item is only eligible for exchange or credit note. To learn more about our Returns policy, read more here