Back Relief Belt Back Relief Belt is the custom lumbar support that you wear for long-lasting comfort. Back Relief Belt provides you with custom Lumbar support when you need it. Dr. Grosso's Back Relief Belt will make any chair your favorite! Your air adjustable Back Relief Belt provides you with custom Lumbar support when you need it. Back Relief Belt Features: Adjustable air pocket inflates with a few pumps Air pocket inflates to create the perfect amount of cushion Allows you to sit comfortably by decreasing pressure on your back Hot and cold packs insert into the back of the belt for soothing comfort Perfect for the home, office, plane and car Makes every chair your favorite chair Straps adjust to fit any waist size