Jobri - Premium Trisectional Molded Foam Lumbar Support | Back Support
These are perfect for mild back pain and work wonders especially if you sit for the majority of your day! Everyone at our office has some sort of back support product from Jobri to make getting through the work day more pleasant! They are cheap also, some start at $28! They also come with a strap on the back to put on your seat or chair. You can use them for the car too!