Contour Products Freedom Back Chair Cushion
30-003R Features: -Provides great full- size back support (compare to most lumbar supports - most others are small and ineffective). -Perfect support for office chairs and computer users. -Easily attaches to any chair with attached velcro strap. -Made of high quality and durable foam that adjusts to individual body contours. Product Type: -Back Support. Dimensions: Overall Height - Top to Bottom: -20.5". Overall Width - Side to Side: -16.5". Overall Thickness: -4". Overall Product Weight: -3.07 lbs.