Improves seating posture while providing back support and comfort * Durable masonite board sercured on back of foam core prevents hammocking in sling-back wheelchairs * Conforms to provide support to the lumbar region * Sealed liner protects foam core from moisture * Has a non-slip vinyl back to prevent the cushion from sliding * Weight Capacity: 300 lbs. * Limited 18 Month Limited Warranty on cover and cushion * Compare to Jay Basic Back *