Lorell Ratchet Ergonomic Mesh/Fabric Mid-Back Drafting Stool, Black

Mid-back stool offers ratchet back and a comfortable, breathable mesh back. Mesh is made of high-strength elastic nylon. Ergonomically designed mid-back is perfect for the natural curvature of a persons back.Ratchet back and a comfortable, breathable mesh backErgonomically designed mid-back is perfect for the natural curvature of a persons backCushioned fabric seat and chrome footring to heighten your comfortIncluded arms adjust in height and in widthOther functions: pneumatic seat-height adjustment, 360-degree swivel and back-height adjustmentTraditional black color always looks professional.Adjusts between 25in and 35 7/16in height.Assembly required.Tested to meet ANSI/BIFMA Performance Standards – Manufacturer testing has been conducted on this product to meet specific performance requirements and safety standards set forth by the American National Standards Institute (ANSI) and the Business and Institutional Furniture Manufacturers.