DMI® Foam Seat Cushion, Dark Blue

Dimensions: 18 inches long x 16 inches wide x 4 inches high Adds support, comfort and height to any chair, promotes good posture and evenly distributes weight Ergonomic design helps to increase blood flow and can assist with pain in the lower back, neck and shoulders Lightweight, travel friendly, firm and supportive; retains shape after several uses Made from high density foam that won't crack Includes a poly/cotton machine washable cover