Using the new Contour Air Cushion  , has an air-valve adjustment that lets you get the exact level of comfort you need. Using the small pump included, simply inflate the cushion to accommodate your seating surface. Then, let the shape-conforming air cells soothe pressure points while helping to promote circulation. It's lightweight and portable so it goes easily from your office to the car or from your car to those hard benches at sporting events.

1 Year Limited Warranty.