The Petal silicone nipple covers will protect your nipples, create a smooth effect to your chest and prevent any nipple protrusions. Waterproof, can be reuse multiple times by gently hand washing and let it air dry, lightweight and easy to carry. These invisible Silicone nipple covers are made from 100% Silicone gel . Soft, comfortable, safe. Perfect for braless with any backless or strapless dress or top. Specially designed for your backless and strapless dresses, T shits, swimwear, wedding dress, gowns.