AliMed 8776 SkiL-Care Reclining Wheelchair Backrests Extra-Depth Headrest, 4.75 Backrests are an alternative to expensive adjustable-back wheelchairs! Easy, permanent installation. Rigid vinyl-covered frame. Add or remove foam pads to customize. Recline position to 30 degrees from vertical not adjustable . HeadrestOptional Headrest provides lateral stability and maintains head in midline. Extra-depth headrest for patient with less head control. Machine washable cover.ArmrestOptional Wheelchair Armrest Pads fit full or desk arm supports. Hook and loop-secured. Covered nylon Armrest Pads are machine washable. Sizing24 provides head support for users up to 5'5 tall or back/shoulder support for taller people. Note use of antitip device is recommended with Backrests. 1 Each / Each