Up to 4 cup sizes bigger! These supple, aesthetically pleasing silicon breasts create an impressive bust or a breath-taking cleavage. The inserts have a small indentation at the back that gets placed over your breasts so that they fit perfectly. They fit discreetly inside your bra. The material warms up to body temperature once it comes in contact with your skin. Weight per breast 1000 g. 1 pair.