Instant Boost Sticky Inserts - TanInstantly feel sexier, more secure, and unapologetically confident in any outfit with a pair of Instant Boost Sticky Inserts. Double sided for a secure hold, our inserts instantly add volume without risking a nip slip. Say hello to irresistible cleavage and constant head turns with your new fashion staple. Double sided adhesive for extra security Boosts up to 2 cup sizes Triangular shaped, best for low v cut tops No sewing required and interchangeable