BOOMBA's Satin Nipple Covers lay seamlessly against your skin. Long-lasting and gentle, these nipple covers are a staple in every girl's wardrobe. 10 pairs. Diameter: 75mm / 3 inches. It is not recommended to wear the product for more than 12 hours. Do not apply to irritated, sunburned, or sensitive skin. Our products are not intended for individuals who have sensitive or thin skin or women who are pregnant or breastfeeding. When removing, slightly dampen the back of the nipple covers it with warm water where it meets the skin, and gently pull it off. If irritation or redness occurs, discontinue use. One-time use. If opened, this style cannot be returned or exchanged.