Dura Medium Back Task Operator Office Chair With Arms Green Back/Black Airmesh Seat - OP000016 DDModern materials and design make the Dura a favourite in the Dynamic range. A flexi nylon backrest makes for a different and refreshing experience. Seven different colours are available to allow many colour combinations. If that isnt enough, the seat can also be upholstered for further bespoke customization. Folding armrests are also available for this durable and versatile chair.