Blooming Jelly Women's Cut Out One Piece Swimsuit Swimwear Monokini Material: polyester spandex Ties at back and neck,adjust the size all by yourself Unique style, make you more beautiful, fashion, sexy and elegant. Perfect to wear at the beach? Tag S= US(2~4),Tag M= US(4~6),Tag L= US(6~8),Tag XL= US(8~10)Details please check on the description.If hard to choose, just one size up.