Diameter: Approx. 6.5cm / 2.5in. These nipple covers are the right products for the problem of the girls peeking out. Cup Size: One Size, regular. Self adhesive, washable, waterproof and reusable. A pair of brand-new nipple covers made of high quality silicone. Once you put on nipple covers, you don`t have to worry about your nipples showing thru your clothes. Shape: Flower, Round Optional Color: Nude It is a perfect choice for all ladies. Size 1 stand for Flower Shape, Size 2 stand for Round Shape. 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 Included: 1 * Pair of Covers