Teraves Breathable Mesh Lumbar Support improves your life quality! Our back waist support are special designed upgraded backrests, offer wider therapy beads massage area so that can relieve lower and mid back pain and tightness from long time sitting or driving, and help posture correct.Tips: If you feel uncomfortable to use our product, there are two reasons, one is because your body pain is more obvious than the average person, and the other is because your body is healthier. If you have any questions, please feel free to contact us. We will try our best to help you solve your problem.Specification: Material: PP, Silicon resin, elastic rubber Color: Black Package content: One lumbar support Weight: 0.6 lbs. Product Dimensions: 16x 12 x 5.5 inches