... 100% pure silicone gel 2. Self-adhesive bra cups, not easy to fall off, freely 3. Strapless, without side and back ... to be worn under backless, halter or evening dresses 7. Easy to wash, reusable 8. Four sizes for choice: A, B, C ... .2,Bra pads(Air, oil, cloth, powder, silicone etc)3,sponge invisible bras 4, Buttom pad, breast forms5,Bra shoulder straps ...