The extremely robust and highly adjustable chair is fit for 24 hour usage with added padding to keep you comfy when sitting. Sit back and relax, the chair comes with two adjustable arms as an added bonus with a ratchet back. This marine blue chair meets BS5459 (2000) Part 2 with a 150kg weight tolerance. Has an asynchrony mechanism with torsion control along with medium fire retardancy. Seat dimensions: D555 x W530mm Back dimensions: H645 x W515mm Seat height: Min 475 - Max 565mm Fabric type: Wool mix Fabric colour: Marine Blue Assembly required. If you have any alternative questions regarding this product please don���������t hesitate in giving our helpful customer service team a call on 01173302277.