• Skin-friendly with long-lasting adhesion; it stays firmly in place even when exposed to water or sweat. • Made of 100% silicone material, comfortable and skin-friendly; it can be washed and reused up to 100 times, which is 10 times more than regular silicone nipple covers. • Ultra-thin and lightweight, naturally wraps and adheres to the skin; with a diameter of 8cm, the edges are as thin as 0.1mm, rejecting any bulges or traces for an invisible and seamless look. • Tear-free and hypoallergenic, suitable for all kinds of people (passed the SGS skin irritation test). • No adhesive. It prevents the nipples from becoming dark. • Packaging and storage: it comes with a protective box for easy carrying, and each pair is individually packaged for convenient storage. • How to wear: (1) Clean your chest and hands before using the nipple covers. (2) Place the skin-friendly side facing up and gently curve the covers. (3) Lean forward and align the covers with your breasts. (4) Press the edges to adhere the covers to your breasts; hold them with your hands and apply heat for 10 seconds. Care Instructions: Gently hand wash the reusable nipple covers to keep them looking new and performing their best. Use mild soap and warm water and gently wash off any residue, oil, or debris. Let the nipple cover air dry. Store in a dry place away from other items to avoid crushing and deforming.