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 on the side that gets placed on your breasts so that they are a perfect fit. 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.