DELIMIRA Women's Slightly Lined Lift Support Invisible Seamless Plunge Strapless Bra 93%Polyamide,7%Spandex/82%Polyamide,18%Spandex Uplift structure inside the cups to support you firmly Non slip bands for strapless wear, keep you in place Plastic panel just like underwire effect to stay put Smooth surface for invisible looking under clothes Does not come with straps