Adjustable Slimming Exercise Belt Men Women Shed Water Weight Back Brace Zipper (Regular JB5702 Unisex) Helps flatten and shape abs, Sauna action helps shed excess water as you exercise Adjustable 5 zipper closures for a custom fit, Fits up to a 50" waist regular. Provides excellent back support, Made of durable neoprene for heat retention, elasticity and comfort.Uses your body's natural heat to help you shed excess water weight Wear alone to boost work out benefits, Wear over clothes to instantly slim stomach and shape abs Material: 75% Neoprene, 25% Nylon