Never used Boomba AA Inserts. The most padded insert on the market. The go-to for that wow factor. Instantly boost up to 2 cup sizes. Recommended for tops with structure in the chest area. Triangular-shaped, best for low v-cut tops Boosts up to 2 cup sizes Double-sided adhesive for extra security Sweat and water-resistant No sewing required and interchangeable between outfits 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 and cannot stay up by themselves. It is crucial to wear them in tight, structured, and fitted tops.