The Bye Bra - Breastlift Tape and the silicone nipple covers are suitable for every backless, strapless or open outfit! They lift and shape perfectly. Cup A-C / 3 pairs of Breast Lift Tape / 3 pairs of reusable silicone Nipple Covers/ Material composition: Tape: 77% polyethylene film, 23% acrylic copolymer adhesive / Nipple Cover: 86% silicone, 14% silicone adhesive