UPSTORE Sexy Self-Adhesive Silicone Backless Strapless Invisible Bra Push Up Breast Pads (Cup D, Black) Material: Medical-grade silicone Latest sexy strapless backless self adhesive invisible push-up wing bra breast pad,desgined with front adjustable ties,easy to use,just simplely pull out the ties,lift up your breasts immediately. Self-adhesive, backless design is perfect for low-cut and strapless tops and dresses. Only hand wash,use mild soap and water air dry. Reusable and Easy to Apply. Attach directly to the skin, great to use with strapless and low-cut outfits and dresses