Give your body a stunning silhouette with our Black 11 Steel Bones Neoprene Waist Trainer. Three-layer compound fabric, smooth, soft, and durable, which is easy to clean and will not irritate the skin; 3-row hook-and-eye closure allows you to adjust the tightness freely; 11 steel bones prevent rolling and provide back support, posture correction, and back pain relief; Wrap bands, made from polyamide and elastic fiber, offer targeted compression on the abdomen and waist and contour an hourglass figure.