80% Nylon, 20% Spandex. Strong Support & Adjustable Drawstring: Excellent support is perfect for lifting your breasts. With a single pull, you can instantly lift the cup and keep your breasts straight. Skin-friendly breathable fabric & gum adhesive: The material is made of all natural non-woven fabric + medical silicone. The natural gum adhesive is covered with air holes, which maintain excellent air permeability as you use it. Exquisite wing design: Wing shape design can better wrap breast skin, longer adhesion time. The surface fabric of the bra has a texture similar to that of the skin, which can hide the traces of the bra well under strong light. Washable: Adhesive bras are self-adhesive and remain sticky after being washed and air-dried. It can be used multiple times. For many occasions: Invisible Bra for any sexy style, backless halter tops, deep V-neck suits, backless/strapless evening gowns, wedding dresses, low-cut dresses, cocktail dresses, party dresses, etc. Feel free to show off your feminine charm.