70% Nylon,30% Silica gel Hand Wash Only Instant Breast Lift: This adhesive bra is an updated version of the self-adhesive breathable bra, designed with lift tape to give your chest an extra boost. The lifting tape can be cut according to your dressing needs without affecting its use effect. Safe Skin Material: The Adhesive bra is made of high quality non-hazardous biogel. The invisible bra stays in place forever and can be used on sensitive skin. There is no biogel in the areola area to provide extra care for the nipple. It will be more comfortable to wear. Available in two sizes: Tag M: 4.3" diameter A/B/C cup, Tag L: 5.1" diameter C/D/E cup. We can perfectly cover the entire chest, safer and more sticky. It can be reused for about 10-20 times. But too much sweat can affect the stickiness, so silicone pitching rubber bras are not suitable for outdoor use in high temperatures or while playing sports. Wash by hand with running water after each use and air dry. Invisible and natural: This Sticky Invisible bra is very light and transparent, and the micro-edge design at the top and beige color make it seamlessly invisible under your clothes. Achieve a healthy and natural look in a comfortable way. Make sure you don't use any body oils or lotions before applying it to your skin, or it won't stick to your skin at all. Happy shopping: Within 30 days after you place your order, if this product does not achieve your expected effect, you can contact me for refumd service. No matter you have used or not used, we can provide you with an unconditional refumd service. You need to tell us what problems exist in the product is enough, we will help you apply for a refumd service within 24 hours.