IMPORTANT NOTE. Reusable invisible lift up bra for woman can be washed multiple times and the adhesive become sticky again after washing. For any concerns, please tell us freely. Please note not machine washable, you only need to simply wet the adhesive surface with warm water, and then allow the cups to dry on the air. Pls clean and dry your body before using this sticky bra. Also, don't use it in workout because the greased skin or sweat will affect its stickiness. Thank you. closure COMFORTABLE & SOFT MATERIAL. The sticky bra is made of high quality silicone material. It doesn't hurt skin. And strapless dresses bras for women are lightweight, invisible and comfortable, giving you the realistic feeling. Nobody knows you wear a lingerie, but they will notice your attractive and beautiful look. Also, this push up bras for women is very soft and cute and plenty sticky enough to hold the girls up. DEEP U PLUNGE BRA. With the deep U plunge design, the strapless bras for women helps to push up your chest and creates perfect cleavage. It can gather your breast, providing a sexy and charming shape. This backless bra is the best choice for strapless dress to make your breast curve more beautiful.