Sportown Women's Ultralite Backless Strapless Deep V-shaped Adhesive Invisible Push-up Bra (C, Wire free Black) Fabric Material: Nylon and spandex Deep V-shaped design, gather effect is good, it creates a busty,fuller and charming deep v shape breast Reusable and Easy to Apply. Attach directly to the skin, great to use with strapless and low-cut outfits and dresses Smooth edges. Both sides are smooth with very soft, comfortable and breathable fabric, very stick and invisible trace The weight of the whole product is less than 1/4 of the traditional invisible bra, very light