100% SATISFIED CUSTOMER SERVICE– For Whatever Question,please contact us first &We will solve your request ,return or refund is available,will make you 100% satisfaction .Material: Neoprene, Microfiber, Nylon, Spandex.(Hand Wash, Hang Dry to Maintain Shape & Elasticity)( S Fit US 6-10; M Fit US 12; L Fit US 14; XL Fit US 16; 2XL Fit US 18; 3XL Fit US 22 )This plus size body shapers are made of neoprene which is thermo material.It is like a hot sauna suits.The molding pressure and the sauna effect will help to make this product to be your best body shapewear. It could help you burn your tummy axunge,Clean the toxins inside the body, let you have a healthy body.PROMOTES BODY HEAT: Design to make you Sweat like crazy and enhance your workout to achieve your weight loss goals. The Sweat Enhancing Thermal Vest intensifies perspiration in your core more than regular gym-clothing during exercise.No zipper training vest could be worn under or over your regular shirts, is comfortable to wear for waist training, it also suitable for any aerobic exercise, running ,yoga or have fitness regime in the gym to be slim.Tummy Tuck & Back Support-Our best waist trimmer belt is very stretchy in the right places and provides tons of support on your sides and back. If you have lower back issues,our waist trainers,like a compression binder around the waist to offer lumbar support,help relieve pain and improve posture.