One waist trainer contains 3 different goals you can make through each loop. The lining is 96% cotton, 4% spandex and the core is 100% latex. The waist trainer is a waist shaper & butt lifter all in ONE!! It curves your hips, thins your thighs, tightens your waist, lifts your breast & supports your back. You can work out in it by it being latex sport. A-1 great quality.