ADJUSTABLE COMFORT The height of the seat and armrest can be adjusted to match your desk and your sitting habit. And you can rock it back and forth for extra comfort. HEAD AND LUMBAR SUPPORT: Featuring a mesh curved backrest with built-in headrest and lumbar support, this mesh chair helps keep your head and back supported all day and ease the pressure on the spine. SUPER COMFORT: The ergonomic high backrest of this office desk chair is covered with mesh fabric for breathability, while the thick sponge padded seat is soft and comfortable for working at home. EASY MOBILITY: With 360° swivel wheels and seat, this home office chair allows all kinds of mobility with no problem and offer convenience. DIMENSION: Overall Dimension: 65.5W x 65D x 101-110.5H cm. Seat Size: 50L x 50W x 12D cm. Weight Capacity: 136kg. Assembly required.