This nipple covers is made of hypo-allergenic Eco-friendly silicone, they are natural and soft, you won’t feel anything when wearing them.The silicone nipple covers are designed to disappear under clothing, Perfect for wearing under crop tops, sports bra, t-shirts, backless, strapless and sheer dress, swimwear, and gowns. Ditch the heavy adhesive bra or strapless bra. without the bulk of a silicone bra. no sweat and no embarrassing outline.High: 6.5cm, 2.56inch, wide: 6.5cm, 2.56inch, Easy to carry it when you go out.One pair can be reused 50 times or more. The women silicone pasties are waterproof, washable and reusable.Ultr-thin, round, soft and flexible, lightweight, sticky silicone breast nipple covers have tapered edges to blend seamlessly without bulk or edging.