Ergonomically designed to help keep spine in proper alignment while providing added support and comfortPromotes improved posture for the head, neck and lower back — lessening risks of discomfort, pain and injury common when sitting for extended periods of timeHigh-density polyurethane foam conforms to provide support to lumbar regionStabilizing board insert prevents hammocking in sling-back wheelchairStretch, nylon cover is low-shear, breathable and removable for convenient machine-washingAdjustable safety straps to maintain appropriate position and add securityIdeal for use in situations requiring a seated position for extended periods of time, such as with wheelchairs, office chairs and more –> Shop About Us Contact Us Reviews and Ratings McKesson Foam Seat Back Cushion 20″Wx19″D For Wheelchair Seats 170-79003 McKesson | MFG #170-79003 The right support cushion can directly affect a user’s health, comfort and well-being. The Rehabilitation Engineering and Assistive Technology Society of North America „cushions function to mediate seating pressures and provide postural stability.“ Choose McKesson cushions to add comfort, promote proper positioning and posture, increase stability, and redistribute pressure. Ergonomically designed to help keep spine in proper alignment while providing added support and comfortPromotes improved posture for the head, neck and lower back — lessening risks of discomfort, pain and injury common when sitting for extended periods of timeHigh-density polyurethane foam conforms to provide support to lumbar regionStabilizing board insert prevents hammocking in sling-back wheelchairStretch, nylon cover is low-shear, breathable and removable for convenient machine-washingAdjustable safety straps to maintain appropriate position and add securityIdeal for use in situations requiring a seated position for extended periods of time, such as with wheelchairs, office chairs and more Color Black Size Material Foam –> Product Count: 1 Packaging Count: 1 Total Quantity: 1 Product Specifications McKesson Brand McKesson 20 W X 19 D Inch Black Foam Seat Back Cushion 612479221390