CustomAIR Backrest with Adjustable Lumbar features:

• ADJUSTABLE SUPPORT:
  Built-in adjustable lumbar cushion can be inflated or deflated to suit personal preference, and can facilitate regular changes in posture to help alleviate stress
• SCIENTIFICALLY PROVEN BACK SUPPORT:
  Scientifically proven to decrease pressure on your back by up to 35%
• FULL RANGE BACK SUPPORT:
  Lumbar cushion also adjusts vertically for a full range of support from the thoracic to the lumbar regions
• LONG TERM COMFORT:
  Hand pump inflates or deflates the lumbar pad to refresh lower back when sitting for long periods.
• ENGINEERED FOR COMFORT:
  The impact resistant polycarbonate structure covered in soft and durable polyurethane foam conforms to the natural spinal curvature
• USE ANYWHERE:
  Lightweight and portable for easy to add back support to any chair in the home, office, or in the car