Your air adjustable Back Relief Belt provides you with custom Lumbar support when you need it. With just a few simple pumps you can create the perfect amount of support and cushion, wherever you sit, guaranteed! It’s perfect for the car, providing long - lasting support and relief from minor muscular back pain. Your Back Belt comes with our reusable hot and cold packs for soothing heat and cooling relief. You’ll also receive Dr. Grosso’s Guide To A  Pain Free Back.