“ Full Effect Lace” lace push-up bra by Wonderbra. Combines lightweight gel & air within padding to naturally enhance the bust, boosting you by up to 2 cup sizes*. Straps can be adjusted to cross over at the back. 55% polyamide, 37% polyester, 8% elastane. Machine washable at 30°, preferably in a small mesh bag. * “ An extra 2 cup sizes” is a general indication based on information collected. Out of 123 women asked by & for Wonderbra in the UK in 2010 (only A & B cups), 60% said that this bra increased their bust by 2 sizes.