Our Neoprene Waist Trainer is designed to help you shape your midsection and achieve a slimmer silhouette. It features 10 steel bones to provide extra support and compression to help you control your tummy and reduce your waistline. The breathable neoprene fabric is comfortable and won't pinch or rub, and the adjustable velcro closure ensures a perfect fit. Wear it while exercising to maximize your workout results and achieve hourglass curves. 100% Neoprene+Outer Layer:100% Polyester