Safco SoftSpot Low Profile Backrest (Set of 5) Safco 7151BL Softspot Low Profile Backrest, 13-1/2w x 3d x 11h, Black Low-profile backrest supports the lower back and spine. Softly curved upper edges reduce stress on pressure points by gradually tapering away from user. Unique center channel averts pressure on spine. Helps to maintain the spine's natural S-shaped curve. Contoured TherasoftR material keeps its shape. Nonabrasive, antistatic, washable. Provides maximum support to the small of back region. Elastic strap fits any chair.