Professional Grade Material - The Tape Breast tape uses anti-allergic bio-adhesive material instead of ordinary Medical Grade glue and is made of high-very breathable and sweatproof.  The covers use non-woven fabric inside and medical-grade silicone to create a skin-friendly lining that has strong adhesion and will not irritate your skin.  Everyone’s skin sensitivity is different.  Do remember to take an easy skin allergy test before using Optimize Breast & Body Curve - Optimize Breast & Body Curve: The perfect cooperation of Tape’s strong adhesive boobs tape and invisible nipple covers can lift your chest naturally and make your breast look more sexy and perfect.  You can also use your imagination to apply the multifunctional tape to other parts of the body for lifting and tightening. Strong Adhesive & Sweat-Resistant - There are medical-grade adhesives on the inside of the boob tape and chest stickers, which can be attached to the skin tightly and prevent accidental slippage effectively.  Besides, the breathable and premium raw materials make it suitable for sweaty skin while running, excising, jogging, etc Suitable for large or small breasts of A-E cups.  The best choice while wearing backless dresses, off the shoulder tops, swimsuit, jumpsuit, clubwear, etc.Better than Adhesive Bra.