Features: Comfort Fabric: Hot Sell sauna vest is composed of two layers of inner and outer materials, 90% polyester fiber and 10% spandex on the outside, 100% polyurethane on the inside. Heat up your core abdominal area making you sweat more while exercise.It can also increases body heat while in contact with the skin.Provide instant abdominal compression and lumbar support, allow you to have the proper support without any discomfort. Excellent Experience: Sweat vest doesn't smell, the weight is very light, dries quicker��Easy to clean and odorless, the highly-elastic neoprene features an inner layer of fabric designed to protect your skin. It is specially made for workout exercise, which can make you sweat more than 3 times. Zipper design makes vest easier to wear and take off. Help to Keep Fit: Improve microcirculation, flush toxins, increase perspiration and calorie burning during exercise, and assist in lessening fluid in fat cells. Maximize the effectiveness of your workout and expedite calorie burning. Best Sport Products for Weight Loss: Scientific design and compression help you correct posture, flatten abdomen, firm tummy.Comfortable, lightweight stretchy fabric and moves with your body while performing any activity. It looks great and matches with any combination of workout shirts or can even be worn under everyday clothes. Washing Instructions: Hand wash in cold water with a soft detergent. Squeeze out and drain. DO NOT tumble dry! DO NOT wring! Specifications: Material: 90% Polyester, 10% Spandex Gender: Women Shapewear Type: Tops Pattern Type: Solid Length: Sleeveless Package Included: 1 x Women Waist Trainer Vest Warm Tips: 1. This sauna trainer vest have some material smell, it's normal and would be hand washing and hanging to dry. 2. Hand wash in cold water with a soft detergent. It is recommended to wash it after each use, particularly after exercising. Ultra-lightweight with flexible fit Provides light support for your muscles Maximize and enhance your workout with weight vest Effective firm control of armpits & back flabby fat It is perfect for everyday use and could be worn under or over your regular shirts