NuChair's unique geometry maintains your standing posture while you sit, eliminating the strain to the spine and nerves normally associated with sitting. Its front support relieves the back stress caused by sitting up at a workstation, or leaning over a patient. Sit as long as you want comfortably, and without back pain. NuChair is fully adjustable, and is made with the best available components and materials. Our durable, anti-microbial & anti-bacterial vinyl is easy to clean, and complies with US and CA flammability codes. The vinyl has been tested with a long list of common healthcare disinfectant products with no negative effect, report is available on request. BIFMA tested to meet or exceed safety and durability standards. Supports up to 275 Lbs. 5 year declining Non-Latex