NuBra Seamless Adhesive Front Closure Bra style SE888 The seamless, strapless, backless bra. This silicone bra cups are designed to create a natural feel and look. The self adhesive, supportive cups are reusable and washable. The front closure pushes the breast to the center creating full cleavage. The NuBra is flexible, moving with your body. Special adhesive if safe and skin friendly and the seam free design disappears even under the sheerest of clothing.