About this item : 

• Lumbar Support Relaxes Your Back.
• The bouncy nylon mesh with a adjustable tension straps, ergonomic design, it provides the gentle reinforcement help you correct your sitting posture, relax your back and lumbar spine.
• Upgraded Ergonomic Chair Cushions.
• The upgrade Samyoung lumbar support, scientific support , which can fit your lumbar better.
• It will mould to your natural contours to provide support, easing the tension and pain caused by sitting all day.
• Effectively relieve long time sitting and lumbar discomfort.