Sweat Shaper Waist Trimmer for Women, Waist Trainer Sauna 。Inner layer:100% Neoprene &Outer layer:100% Polyester ★Comfortable to Wear All Day★Our weight loss waist trainer is made of 100% neoprene composite fabric, which is stretchy & flexible and durable.It will keep your midsection warm even without training,and the material can absorb your sweat so you will feel comfortable and dry outside. ★Three-layer High Compression on Your Belly★Our corset with 3 rows of hooks and zipper, which allows you to adjust the tightness you want and ensures you could fi