Lumbar Support Cushion, 12-1/2x2-1/2x7-1/2, Neutral Gray (MAS92041) Helps reduce back strain and fatigue. The only cushions on the market that allow the user to adjust their shape and their thickness Made from flame retardant, washable fabric for easy care. Adjustable strap provided for smooth surface seating Ideal for use in the office, home or automobile