Chair back supports provide essential posture support, lower back support and lumbar support so you can work comfortably at your desk all day. On Time Supplies offers a wide variety of chair back supports, including back support cushions, seat rests and more. Thanks to bulk pricing and fast shipping from On Time Supplies, you can quickly and economically supply every workstation in your office with great chair back supports. If you need more information on the supplies featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.