In a modern society with a modern lifestyle, the office space has became a second home. It is where we spend most of our time, where we work hard and strive for a better standard of life. To ensure the efficency and quality of our work, a comfortable, pleasant and professional environment is a must. An ergonomic executive office chair will be the major factor that perfects your working environment. The Executive Office Chair: GRID, designed with sophisticated technology. Featuring a nylon framed design to provide ample lower and mid-back support as well as ventilation; durable foam seat cushion, with a fixed armrest that provides necessary comfort during long working hours; mechanism installed with swivel and tilt function, with a position locking function for sitting upright. sturdy nylon base and free rolling castors to provide excellent stablitiy and mobility. Specifications: Tension based reclining back with tension knob Fixed arm rests 640mm diameter nylon base 50mm castors Seat height: 450mm-550mm height adjustible Swivel and tilt mechanism Can support weights up to 150kg 2 Year warranty (Excluding wear and tear of the fabric) Requires easy assembly, with all tools provided. What's in the box 1 x Diagram Instructions + Set of Assembly tools 1 x Backrest 1 x Foam Seat 1 x Chair Mechanism 1 x Set Fixed Arms 1 x Pneumatic Height Adjustable linear Cylinder 1 x 640mm Nylon Base 1 x 50mm Castors (Set of 5)