These swim diapers are perfect for your baby girl during swim time. The target is babies who need a comfortable and hygienic swim diaper. The material is 82% Polyamide and 18% Spandex. It has a draw-string waist for adjustment. It's soft, stretchy with UPF 50+ protection, chlorine and fade resistant, machine washable, easy to care for and fast-drying. After swimming, remove the diaper immediately and wash it after every use. They are not designed to absorb but contain solid waste.