Our Nipple Pasties are made of skin-friendly satin material, ultra-breathable and comfortable. Natural Biological Adhesive. Features a self-adhesive design that stays in place. It comes with a natural biological hypoallergenic adhesive glue that is easy to remove and leaves no residue. These are lightweight and are of skin color, which make them invisible to most types of clothes, such as backless, strapless, crop tops, sports bra, sheer dress and swimwear, best solution to maintain modesty and elegance.