Spandex.Comfortable and supportive stick-on strapless bra with smooth fabric,comfortable silky, soft touch,comfortable and reusable,Comfortable breathable and lightweight. You won't even know you're wearing them.better than any kind of silicone adhesive bra. 100% security ,super strong sticky ,cup with bio-silica gel, super-strong adhesion,safety without stimulation,An easy-to-clean invisible strapless bra,will be invisible under any type of clothing. Self-adhesive 100% skin friendly and hypo allergenic, our adhesive is proven to have long staying power of any Lite bra and will last you the longest. ESPECIALLY HOT TRENDS:A Must Have Reusable Strapless Bra for Woman.Perfect for strapless and low-cut outfits,backless party dresses and tops.Instantly becomes a part of your body with total freedom and flexibility of movement, making you to be the absolute focus.match perfectly for your backless low cut dress. Adhesive directly to the skin, leaving no trace on skin after removing. PLEASE NOTE:Too much sweat will affect the effectiveness of the adhesive, so the stikcy bra is not suitable for using in high temperature outdoors or doing exercise.Wear clean before chest and alar skin and make sure you don't use any body oil or lotion before sticking this to your skin or ir won't stick at all.