Material composition 90% polyester Care instructions Hand Wash Only • 【More Adjustable&Closer】Soft, adjustable and stretchy waist trainer,Improved horizontal plate Velcro，more flexible and durable, which makes stomach wrap comfortable, fits to your body, and will not pitch or irritate your skin. More suitable for many people of different sizes 【BURN MORE CALORIES】Sweat waist trimmer belt helps Increase your stomach temperature to boost your body to burn more calories and to reduce the water weight in this area.The outer layer of the neoprene helps to the heat is trapped in between the belt and your waist which makes your fat melt in the form of sweat 【BREATHABLE AND ADJUSTABLE 】The sauna waist trainer belt uses 3 layers of durable composite fabric, the inner layer material is neoprene, outer layer is stretchy polyester. Waist Cincher Belt covered with ventilation holes that easy to sweat and breathable 【BODY POSTURE SUPPORT】Reinforced acrylic bones provide tons of support on your side,