High stickiness and stability:Woman\'s Strapless bras with harmless biological silicone gel gently adhere to skin,the adhesive is sticky enough to hold for a long day with push up. Skin friendly and reusable material :The backless bra with harmless and pure medical silicone that can shape full breast.It can be washable and reusable after use. Charming deep \"V\" shape:The sticky bra helps to push up your breast, keep your breast in a good position without sagging. Just need a little pull with the drawstring will make a perfect bust and a sexy cleavage. A must have in woman\'s wardrobe:Invisible push up bra is absolutely perfect for wedding gown, low-cut outfits, prom and homecoming dress or any formal evening dress, it\'s the best option for photo shoots and red carpet moments alike. What You Get: 2 packs a set, 1x Black Backless Bra + 1x Beige Backless Bra with a transparent zipper box and worry-free 18-months warranty and friendly customer service.