Many patients report the most natural feel with silicone gel implants or the IDEAL IMPLANT, with its interior “baffles” that provide stability and structure. With saline implants, a similar consistency can often be achieved by overfilling the shell and implanting it behind the chest muscle. You will notice new strength and firmness in your breasts as a result of the surgery, and this will help them resist sagging, depending on the size you choose.