Miraclesuit Kirkland Signature by Active X-Back One Piece Swimsuit For Women Back and underfront: 54% Elastane 46% Nylon, Lining: 83% Nylon 17% Elastane Hand wash cool clear water Kirkland Signature by Miraclesuit Miratex fabric provides triple the holding power All-over body control Due to the control features of this fabric, consider buying one or two sizes up. Imported