A popular solution to the rigorous demands of every office environment, this collection has been tested to BS 1335 Part 2. The high back operator chair gives you extra support along with the contoured back making it durable and suitable for up to 8 hours usage. With a 110kg weight tolerance it has a permanent contact back mechanism providing extraordinary comfort. Medium fire retardancy. Seat dimensions: D460 x W480mm Seat height: 460 - 590mm Back dimensions: H510 x W440mm Material: 100% man-made fibre Finish: Royal blue. If you have any alternative questions regarding this product please don���������t hesitate in giving our helpful customer service team a call on 01173302277.