LumbAIRPlus is designed for small offices, bucket seats, automobile contoured seats, smaller seats and airplanes. This unit provides a gentle foam cushion that can be adjusted using the aspirator bulb. The inflatable lumbar cushion is the perfect way to help relieve the discomfort and pain of prolonged sitting. Take it with you to the office, in the car, even on your next flight. You can also use the inflatable cushion to gently exercise your lumbar spine and muscles. Gently flexing the lumbar-spine region can help to: Improve disc mechanics, decrease muscle fatigue and stiffness, increase blood circulation to facilitate healing, and improve your comfort wherever you sit! Inflatable Lumbar Cushion is ideal for improving the comfort and support of office chairs, car seats and airplane seats. Use inflatable cushion while lying down to gently stretch your lumbar spine and give lumbar support. 1 year manufacturer warranty against defects and lifetime valve warranty. How to Use: 1) Position LumbAIRplus behind you. 2) Wait 5 minutes. 3) Inflate to your comfort level. 4) Change amount of air inside (some days you will want more support, some days less) to prevent damage due to extended sitting. Occasionally you should add air or let out air. This gently changes the position of your spine. This change prevents stress from building up keeping you feeling great and pain free.