This top-class material produced sponge bra pads are safe and to your breast. It works well to add a size to a smaller breast, as they do add a full cup size. you can put this set of insert bra cups into different clothes, such as waistcoat, bathing suits, yoga bra, sports bra, bikini top, swimsuits, etc. Features - Color: Black. - Material: Chinlon with Sponge inside. - Size: Approx. 12 * 12 * 2.5cm/ 4.7 * 4.7 * 1 inch(L*W*H). - Breathable, ventilate, and lightweight without irritating. - Anti-slip during wearing without deformation. Super comfortable skin touch. - Creating push up and lift in the bust area, giving your bust for a lovelier, perkier appearance. - Providing a securely fit all-day long. Easy to wash and dry for reusable use.