Do you find yourself slouching while working at your computer? Over time, bad work posture can lead to pain. Prevention is key, however, you may already be experiencing back pain! If you are living with back pain, you are already aware of the need for proper support of your spine. You may have even tried other advertised back support products without success, or you may have discovered that other support products work well in your office chair, but not at home. The patent pending Back Sac is an improvement upon other back support products, because it is infinitely adjustable, and can be adjusted to support your unique spinal curve on any seating surface, from a soft sofa, to a firm office chair, to your car seat, to a plane seat. You will feel the difference with Back Sac support!