Fellowes Professional Series Back Support with Microban Protection provides the perfect option for mid-spinal support with memory foam cushion which promotes good posture. Lower lumbar support with three memory foam sections conform comfortably to natural body curvatures. Microban antimicrobial protection keeps product cleaner. Innovative Tri-Tachment system eliminates the need for readjustment. Fits most office chairs. Perfect for use in the office home office school or anywhere you need to sit for long periods of time.