ProFlex® 1100SF Back Support, Extra Large, 1 Case of 6 20 30 Pantyhose We keep costs low by 10883 We keep costs low by not paying for expensive storefronts where high rent costs and expensive employees are charged to you 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 Patented sticky fingers stays for optimum lower back and abdominal support Durable 280D spandex body material