Mia Aesthetics Nipple Covers are 100% medical grade adhesive. The stickiness of our Nipple Covers pass the test causing no harm or irritation to the skin. Our Nipple Covers are made with breathable Satin fabric which allows for the perfect mold to follow the shape of your breast. They’re not see-through and can be worn without a bra for long time wear. Our Nipple Covers are disposable and are meant for one time use. These are perfect for all occasion