Material:Silicone Size:small diameter 7cm/2.76"Safe Adhesive Nippleless Cover: Made from medical grade (hypo-allergenic ) silicone, so they can be worn comfortably even on the most sensitive skin. Perfect diameter for more secure coverage. Self-adhesive pasties, unless you tear it off, there is no need to worry about it will fall, affect your beautiful mood. No Glue Design, High-Temperature Sterilization of Non-Woven: The thick and thin design in the middle makes your nipples more comfortable. The middle is made of glue-free design. The paste material is a high-temperature sterilization healthy non-woven fiber cloth, comfortable and breathable, effective anti-sensitivity, prevention and treatment of light, make the nipple more comfortable. Reusable and Washable Women Pasties: These silicone pasties are reusable and waterproof. They can be reused many times. After use, only need to use mild neutral soapy water to clean, and air dry. Once dry. Self-adhesive properties are restored. Using Steps: Step 1: Wash breasts and fingers thoroughly Step 2: Uncover the dust film from the nipple covers Step 3: Put the central protection point(sometimes it is not completely in the middle) of nipple cover on to the nipple softly, making the outer edge of which be stick to the skin