BIKMAN UPF 50+ Long Sleeve Sunsuit Girls Sun Protection One Piece Swimsuit 82% Polyamide and 18% spandex Material: 82% Polyamide and 18% spandex.soft and comfortable to wear. Slim fitting,good locking stitching for superior stretch fabrics,quick-drying and breathable. Full cover swimsuit for girls,protecting your kids' delicate skin from sun,soft and friendly to skin. One Piece with front-zipper design,easy to put on and take off,exqusitive flowers printings on the collar,sleeve and side. Please check our size chart below in Product Description before you order to make sure the suit fit her well.It's asian size converted to American size: US2-3(Tag XS),US4-5(Tag S),US6-7(Tag M),US8(Tag L),US10(Tag XL),US12-14(Tag XXL).