Fashion's Talk Womens Adhesive Silicone Bra Push-up Backless Strapless Bras with Bag Fabric: Spandex and Nylon Lace Up Design,free to adjust the depth of cleavage. Offers maximum cleavage without binding bra straps Material: Soft lace;82% Nylon 18% Spandex; Lining 100% Poly Olefin Gel Do not recommend for hot temperatures, because sweat may make it slip down Virtually invisible! Constructed of smooth, seamless cups with silicone gel adhesive, this bra forms perfectly to your body. Wear it under your favorite backless, strapless, low-cut or sheer fabric tops and dresses for a fabulous look.