Specifications-- 1.Invisibel 2.Backless,strapless and seamless 3.self-adhesive,lightweight 4.Feature-- 1)Material:a piece bra cup built-in medical silicone gel It has been laboratory tested to be safe and skin-friendly 2)Self-adhesive,strapless,backless,natural and tender feeling 3)Bra-shape designed to fit the breast well, seamless and invisible 4)Easy to apply and remove 5)Ideal kit for clearage enhancer. Great for swimwear, under sweater-dress, low-back evening dress, interview suits or for everyday use. 6)Most important point, easy to clean