Boomba Invisible Lift Bra Inserts Size Medium According to Boomba Size Chart Medium Fits Cup Sizes D, E and F New In Box Never Used Our lightly padded double-sided adhesive insert is the most versatile insert we offer. This lightly padded insert can be cut to fit most clothing. Perfect for a natural-looking lift. Natural-looking lift Prevents nipple slips in low cut tops Insert stays put and keeps clothing in place Interchangeable between outfits, no sewing required Our inserts are not intended for individuals who have sensitive or thin skin or women who are pregnant or breastfeeding Unlike a sticky bra that is supported by the adhesive, BOOMBA inserts are supported by the clothing, they cannot stay up by themselves. It is crucial to wear them in tight, structured, and fitted tops.