Full Stars Women Sun-protection UPF50+ One-Piece Rash Guard Jellyfish Suit Material: 82% Polyamide and 18% spandex, lining fabric:95% Polyester and 5% spandex Slim and fit cutting design. S/M/L/XL/2XL for choose, detail on description. UPF 50+ rating to block suns harmful rays. Size is Asian size, not USA size, please just ingore the tag size. Size detail on below description, please check it.