Waist Cincher Booty is a one piece padded panty with foam padding built right into the buttocks and a figure shaping waist cincher added to trim and hide your belly flab and love handles. It is designed to keep its shape. Just slip it on and you are ready to go. No need for additional inserts etc. Pre shaped, natural looking padded panty is contoured & formed to resemble a realistic round bottom. No one will ever know you have them on, but they will notice your sexy new curves ! 90% polyester, 10% spandex.