This tape doesn't lift a full C cup.  Applying it is easy but when you get to step #2 and lift the last piece of tape and lift, it doesn't stick well to the skin.  It easily becomes wrinkled and you better get the tape in the correct position the first time or else you need to start with a new tape because once you remove it, there is not resticking. Basically ladies, if you have (real) large breasts then you probably should stay away from backless clothing items or save your money for breast implants !