Along Fit neoprene sauna sweat vest. From manufacturer: sauna suit body shaper for women can fully cover your upper body, help you correct posture, relieve back pain, control your tummy, increase your body temperature, make you sweat 3 times more, burn your calories and make you feel refreshed. They can help you with post-surgery repair, reduce the swelling and firming of the skin for maternal and those who have fat reduction surgery. For those who want to get slimmer, our sauna suit is ideal for you to speed up sweating and eliminate body fat to help you get back to the original figure. It is recommended to wear 20 mins for the first time and not to use it for more than 3 hours each time. Our waist trainer vest combines ZIPPER & HOOK and LOOP TAPE design, making you put on and off easily. The zipper can completely wrap your chest and hold it in place during workout.The HOOK and LOOP TAPE can be adjusted freely to the position you feel comfortable and help you get the best tummy control effect. 14000+ sales on Amazon with 4.1 stars.