The Fellowes Heat and Soothe Back Support lets you personalize workspace comfort with temperature control and back support. Gel lumbar pack conforms to individual users for the ultimate flexible back support. Gel lumbar pack also heats up in microwave or chills in refrigerator for climate control. Slim profile with soft touch fabric enhances personal comfort. Contemporary styling features hot/cold icon stitching in contrasting color. Adjustable strap with buckle fits most modern office chairs.