This stylish operator chair is ergonomically designed with a well cushioned seat, supportive arms and a breathable mesh back. A class 4 (highest quality) gas lift and BIFMA tested arms ensure that whilst an entry level chair it is also built to last.Dimensions:- Material:breathable mesh and premium PP backrest,mesh upholstered seat pan, 2 comfortable armrests, 1 heavy-duty nylon base with 5 easy moving nylon castors.- Handrail: nylon fixed armrest- Bottom: thickened explosion-proof chassis-Total Height:89-99cm-Seat Height: 35 to 45cm-Seat (W x D): 48x 48cm-Seat Back (W x H): 46 x 54cm- Package size: 60 x 28 x 60cm- Product net weight: 10.5KGProduct Features:Height adjustableAdjustable tiltFixed armrestClass 4 gas liftCushioned seatBreathable mesh backNylon wheels can rotate freely at 306 degreesRobust build qualityDesigned for 5 hour use and users up to 100 kg. These office chairs use the highest quality gas lift to ensure longevity of the height adjustment whilst the BIFMA tested arms offer confidence with regards to their strength and durability.Ergonomic designFeaturing a well cushioned seat, supportive fixed arms and a breathable mesh back to enhance comfort throughout the day.★Package Content:✔ Office Mesh Chair * 1✔ Installation Tool Kit * 1✔ Instruction * 1If you have any questions, please feel free to contact us, we promise to get back to you as soon as possible, and give you a satisfactory solution.