McKesson Back Support Cushion for Wheelchairs and Office Chair, Lumbar Support, Foam, 18 in x 17 in, 4 Count(1 Count)

Description McKesson foam back support cushion has an ergonomic shape; keeps spine properly aligned for more comfortable sitting; compatible with most seating Foam seat cushion helps improve posture; reduces strain on the lower back, head and neck due to sitting for prolonged periods Posture support cushion contains high-density polyurethane foam; conforms to the lower back Cushion features smooth and breathable nylon cover; low-shear and breathable; gentle on skin; removable and machine-washable adjustable straps can Attach backs of office chairs and other seating; included stabilizing board insert allows for use in sling-back wheelchairs