Easy to use no additional nappy needs to be worn with this product r r concealed water resistant layer and leak proof legs offer containment while in the water r r super soft cotton terry lining is beautifully soft against your babys skin r r drawstring waistband means its easy to put on and is comfortable and secure r r made from a lightweight fabric so it doesnt weigh your baby down in the water r r machine washable and can be tumble dried r r made from 80 polyester 20 cotton in