Machine washable Swimming Nappy. No inserts are required inside as the Swim Nappy is designed to contain the solids and not the wee. Features: - Outer is PUL (polyurethane laminate) - A soft, waterproof, breathable and stretchable fabric - The inner lining, made from Polyester mesh - One-size-fits-all - With side snaps on both sides as well as rise snaps in the front to adjust the crotch height Specifications: - Fits from 3-17kgs