The Bodices are specifically used to reduce the waist and increase the bust when tied and tightened. Give a air super sexy! Each tightens with fasteners and are used specifically to reduce the waist and increase the bust when tied and tightened. Others are without the ties and will not reduce the waist being an option that is more comfortable and more appropriate to those who have no intention of changing its shape. Don't forget that in the Welcome Lover you have 90 days for exchanges and returns!