Our sauna suit is made of high quality Spandex, which will increase your body temperature swiftly, making you sweat more and burn more fat. Just 30 mins excercise, you will enjoy high-spirited sweat. The sauna suits can wrap your whole body, correct posture, relieve back pain, prevent sports injury, hold chest and tummy control firmly. Our trainer vest are very ideal for sports,yoga,running,bicycle and so on. It is easy to clean as well due to the waterproof and windproff material . Please note that the weight loss must combine long term excercise and keep on diet. If you are busy daily,if you are wondering which gift for your parents,lovers,colleagues,it is a good choice for you!