3D molding covers your waist to greatly reduce the load; Does not shift due to the weight of the waist tool; Color: Black; Compatible Belt Width: 2.0 inches (50 mm) / 23.6 inches (60 cm) / Compatible Waist Size: 27.6 - 43.3 inches (70 - 110 cm); Maximum Width 6.7 inches (170 x 7000 mm); Pad Part: EVA; Surface: EVA ; Outer Side: Polyester (70 mm)