These women invisible adhesive nipple covers are made from medical grade(hypo-allergenic Eco-friendly)silicone. Doubling protection of sensitive parts of a woman.The women Silicone Pasties are Waterproof and Washable, Perfect under t-shirts, sheer tops, dresses, and swimwear. We have improved our working and product quality to avoid the non-stick and shedding of nipple cover.The invisible silicone nipple covers are designed small enough to fit in a handbag. Unique matte design allows you to wear more peace of mind.The diameter of reusable adhesive nipple covers for a more secure coverage, you won’t feel anything when wearing them.Our Nipple Covers are so comfortable you will forget you have them on, giving you that natural feeling. Self-adhesive & Reusable – After each use, simply hand wash the nipple concealers under warm water with a mild soap and let air dry face down. Once dry, self-adhesive properties are restored.