80%Neoprene/20% Nylon Imported Zipper closure Hand Wash Only ✔️THICKENED NEOPRENE SWEAT 3 TIMES MORE! - Made of 2.5 mm high quality neoprene fabric, the sauna vest will have more obvious thermal effect on the midsection to actively stimulate sweating, heat trapping . It helps you burn calories more quickly when running, gym workout or even daily walking. ✔️PERFECT 2 IN 1 SAUNA VEST + WAIST TRAINER - The 2 adjustable waist belts with superior velcro provide strong compression on your belly, which helps you remain conscious of your core abs and enhancing the slimming effect. And the vest-style design can correct your posture and provide extra back support. ✔️SUPER COMFORTABLE EXERCISE CLOTHES - Upgraded anti-slip resinic zipper with soft liner and the neat routing all around the sport tank top can make the clothing easy-wear, comfortable and durable. It's the perfect male corset for the slimmer who exercises to lose weight and burn fat. A+ Choice Sauna Vest Waist Trainer for Men Mens Sauna Suit Double Sweat Belt Body Shaper for Belly Fat Slimming Gym Workout - BD56WRBZG