McKesson Foam Back Support Cushion, 20 x 19 in.

Seat Back Cushion McKesson 20 W X 19 L Inch Foam Ergonomically designed to help keep spine in proper alignment while providing added support and comfort Promotes improved posture for the head, neck and lower back -- lessening risks of discomfort, pain and injury common when sitting for extended periods of time 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 Ideal for use in situations requiring a seated position for extended periods of time, such as with wheelchairs, office chairs and more