McKesson Brand - Seat Back Cushion McKesson 18 W X 17 L Inch Foam [1/EA]

High-density polyurethane foam conforms to provide support to lumbar region.. Stabilizing board insert prevents hammocking in sling-back wheelchair.. Stretch, nylon cover is low-shear, breathable and removable for convenient machine-washing.. Adjustable safety straps to maintain appropriate position and add security. 18 inches wide x 17 inches deep.