100% Silica gel. Reusable invisible lift up bra for women can be washed multiple times and the adhesive becomes sticky again after washing. For any concerns, please . Note: not machine washable. Simply wet the adhesive surface with warm water, then allow the cups to air dry. COMFORTABLE & SOFT MATERIAL. The sticky bra is made of high-quality silicone material. It does not irritate the skin. This strapless bra is lightweight, invisible, and comfortable, providing a natural feel. No one will know you're wearing lingerie, but they will notice your attractive appearance. This push-up bra is soft and provides sufficient adhesion to support the bust. INVISIBLE ADHESIVE WINGS DESIGN. Featuring invisible wings on both sides, this adhesive bra offers secure hold and adjustable tightness. Even those with a smaller chest can confidently showcase a flattering cleavage. When worn with a backless dress, the invisible bra stays in place, offering reliable support without embarrassment. The adhesive wings also assist in easy application and removal. DEEP U PLUNGE BRA. The deep U-plunge design helps lift and shape the bust, creating a natural cleavage. It gathers the breasts to enhance curves, making it ideal for backless or strapless dresses. This bra enhances the bustline for a more defined silhouette. OCCASION. This self-adhesive bra is suitable for weddings, low-cut outfits, prom, homecoming, and formal evening wear. Ideal for everyday wear, weddings, holidays, parties, cocktail events, nightlife, dancing, and special occasions. BONUS. Each purchase includes a free pair of nipple covers. These covers are seamless, comfortable, and virtually invisible. The thin edges ensure smooth, even adhesion for a natural, realistic look.