Safco Memory Foam Lumbar Backrest, 11inH x 14 1/2inW x 4inD, Gray

Work in ergonomic comfort at your desk whether at the office or home! Backrest cushions help to support your lower back and spine by promoting proper seating posture. Backrest also helps to reduce strain and fatigue. Retains its shape for maximum support. Unique center channel prevents pressure points on the spine. Elastic strap adjusts to fit most chairs.