The Iris Swim Nappy by Aqua Blu Australia 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 - Frill detail on back - Fabric Outer: 73% Nylon, 27% Elastane - Fabric Inner: 88% Polyester, 12% Elastane