Material:Silicone Flower,Round The good part is that it is reusable many times. These nipple You are bidding on a pair of brand new nipple covers made of high quality silicone. Covers are the right products for the problem of the girls peeking out. Self adhesive, washable & reusable Waterproof Once you put on nipple covers, you don't have to worry about your nipples showing thru your clothes. The covers are self adhesive, washable and reusable. It is a perfect choice for a smooth look with or without your bra, especially when wearing under T-shirts, sweaters, sheer bras, sports bras, and bathing suits or figure-hugging dress, etc. Package Content: 1 pair