These contoured lumbar supports have all the benefits of the regular lumbar supports with a contour shape to hug the back. All the lumbar supports include an adjustable strap for easy attachment to user s chair or car seat. Easily attachable the BifomPad provides multi-density lumbar cushioning for lateral support of the lower back. Supportive Polyurethane foam. Premium Polysuede Fabric- SKU: JBR035