ST Chelsea Mesh Back Ergonomic Task Chair FEATURES: Adjustable seat height Adjustable back height (ratchet) Adjustable back and seat angle Adjustable weight tension Optional adjustable arms / drafting kiy Optional seat depth (seat slider) (not available on drafting chair) Available in high and low back Moulded seat foam, Mesh back, Big boy seat 3 lever ergonomic heavy duty mechanism 700mm black nylon base Available in local fabrics, Back mesh available in Jazz mesh AFRDI tested to level 6 Suitable for indoor use only 7 year warranty and Weight limit is 140kg https://officeproducts.au/product/st-chelsea-mesh-back-ergonomic-task-chair-4-2/