Designed to offer the advantages of five separate fixed-height wedges—all in one! The unique Height Adjustable Sling Wedge easily adjusts in 2" increments to create wedge heights of 4", 6", 8", 10" and 12". Sling design helps keep the child gently cradled in a midline position. Plus, a hip belt and abductor are included for extra stability. The sturdy steel frame is lightweight at only 10 lbs., for easy portability. Durable, tear-resistant vinyl with comfortable urethane foam padding