75% Nylon, 25% Spandex Skin-friendly & Self-Adhesive - High quality harmless biological gel. The invisible bra with medical grade adhesive in cups to always stay in place gently adhere to your skin, suitable for sensitive skin, soft to touch and natural to look at. No worry about falling off You'll simply love the U-Plunge Adhesive Strapless Backless Bra from Fashion Forms. It's the perfect solution for backless and strapless dressing. This strapless bra features a high-quality, reusable adhesive that's ideal for providing you with the support you need time and time again for special occasions or a night out. The U-plunge neckline keeps you feeling supported and comfortable wearing low-neck dresses and tops, while the added spandex provides you with the perfect fit and lift. Strapless & Backless & Invisible - No need to worry about strapless dress anymore. This is the perfect bra for strapless, backless, low cut, plunging, halter, crisscross or other revealing styles, and evening/party dress. Hand wash in cold water, lay flat to dry.