BIKMAN Long Sleeve Sunsuit Girls and Boys Sun Protection One Piece Swimsuit 82% Polyamide and 18% spandex Material: 82% Polyamide and 18% spandex. Style: Color block design,simple and modest.Easy-pull zipper for convenient dressing. Features: UPF 50+,to protect kids from sun burn,breathable,quick drying,light weight and soft on skin. Design: Stretchy,breathable,quick-dry and comfortable to wear.Delicate design offering perfect shaping and supports. Attention: Be aware that the sizes are NOT American sizes.Please select the size by height.Please order one size up if your kids are bigger than average weight.