BestOffice Home Office Chair Ergonomic Desk Chair Mesh Computer Chair with Lumbar Support Armrest Executive Rolling Swivel Adjustable Mid Back Task Chair for Women Adults, BlackEasy to Set up Office chair comes with all hardware & necessary tools. Follow the desk chair instruction, youll found easy to assemble, and computer chair estimated assembly time in about 10-15mins.Soft & Comfort Seat Desk chair using high-density sponge cushion, more flexible, office chair with a middle back design, rectangular ornament not only as a decoration, it can provide good lumbar support makes you feel comfortable.Quality Material All the accessories of our office chair have passed the test of BIFMA, which is a guarantee for your personal safety. The mesh chair can bear the weight of 250lbs.With Armrest It is a good choice to add one of our computer chair in your office or put a desk chair in your home/activity room. The seat height can be adjusted from 17.1-20.3 and the seat measures 18.5(W)*18(D)Ergonomic & New Patent- The cushion of office chair, armrest accord with human body engineering design, let your body and mesh chair perfect fit, suit long time use, give you creative design!