Allegrace Womens Summer Sexy Halter Cross 2 Pieces Bandage Swimsuit Bikini Sizes:S(US4-6),M(US6-8),L(US8-10).If you are not sure about your size,choose one size up please Fabric:88% Polyester,12% Spandex Crop top,mini skirt Mid-waist Cover up Except for swiming,it is easliy to match a pantsuit or skirt