82% Polyamide,18% Elastane<br/>Seamless no padding cups minimize by compression and provide a smooth, invisible look under clothesWide smoothing band gives a invisible look under clothes.Convertible straps may be worn strapless, halter, crossback and classic style.Silicone gripper elastic on inside of cup sides and top edge of the back prevents slippageMinimizes bustline up to 1.5".Side seam boning for additional support.Perfect for bridal and special occasion.Hang to dry,Do not iron,Do not dry clean.