Premium Material--Ultra-thin Neoprene. Special ANTI SLIP flex design to repel moisture and stress ensuring the prevention of bacteria build up. | Bodybuilding Function--HELP YOU LOSE WEIGHT optimize your metabolism and shed that extra belly fat. Designed for fitness alongside your collection of workout equipment. | Perfect Design--The Sweat Waist Trimmer is naturally flexible to adjust to your size and shape and contour to fit around your waist comfortably during exercise.Aim to protect the lower back muscles and abdomen from strain and fatigue during a workout. | Multipurpose--Suitable for all kinds of sports-whether you want to go for a Run, a Walk, do Yoga or go Cycling. | Notice--For any reason you are not satisfied with this product, please contact us freely ,we will offer free-hassle return or refund, providing 100% satisfactory solution to you.