Mesh Back & Adjustable Height Adjustable Head Rest Very Comfortable & High Quality Best For long time sitting for office work or study purpose etc. High density seat foam Breathable Net fabric High Elastic flexible Mesh High Grade Hydraulic Easily moveable with Rolling casters Experience superior comfort and support with our Mid-Back Office Computer Chair. Featuring an 11-inch mechanism, Class 1 cylinder, 50mm wheel casters, and premium 2-inch foam padding, it combines durability and first-class quality for your work or study needs Ergonomic Design: Adjustable lumbar support for a natural spine curve. Breathable Materials: High-density mesh, PP-fiber armrests, and mesh headrest for comfort and air circulation. Stability and Durability: Strong Fiber base ensures lasting support. Suitable for Tall Users: Adjustable height and High-Back design for all individuals, up to 80-100kg Simple Assembly: Easy-to-follow instructions