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: ALPINE, designed with sophisticated technology achiving a 5-star ergonomic rating. The unique hight back, full mesh-fabric upholstered chair features an Adjustable Headrest to accomodate people with different heights; back tilting function with 4-positional locks; height adjustible lumbar support for the best comfort; adjustible thigh support for maximum comfort; adjustible arm rest that can also fold down for convenience; sturdy wide base and free rolling castors to provide maximum stablitiy and mobility. Specifications: Height and angel adjustible headrest 4-position locks for back tilt Height adjustible lumbar support adjustible thigh support in seat Multi-adjustible arm rests 700mm diameter nylon base 60mm castors Seat height: 450mm-550mm height adjustible Chair height: 1140mm-1230mm Can support weights up to 160kg 2 Year warranty (Excluding wear and tear of the fabric/mesh) Requires easy assembly, with all tools provided. What's in the box 1 x Operational Manual Booklet 1 x Assembly Instruction 1 x Headrest 1 x Backrest 1 x Seat 1 x Chair Mechanism 1 x Set Adjustable Arms 1 x Pneumatic Height Adjustable linear Cylinder 1 x Base with Castors 1 x Set of Fasteners and assembly tools