There is no better way to be involved in a game or concentrate on working than with the mid-back office chair, which features ergonomic design and sturdy structure. Covered with faux leather and filled with elastic sponge, the chair provides ultimate comfort and prolonged lifespan. Lumbar support with massage function will take away the stress of sitting for a long time. Height adjustable seat will satisfy your different demands and caters to people of different heights. If you are tired with tedious work or game, the rocking function will be a surprise. If you want to move around to have a chat with your colleagues or take some game devices in other places, the smooth-rolling casters will be a perfect solution. If you want to add a functional chair to your home office, the mid-century home office chair will be a good choice. Massage waist cushion relieves your muscle stiffness; easy height adjustment via lever under the seat meets different needs Metal base equipped with 5 smooth rolling casters for free movement Mid-back backrest and enclosed armrest relax your body Both sturdy construction and premium pneumatic cylinder ensure reliable daily usage Seat size: 20.5 x 17.5-in; weight capacity: 265 lb Durable faux leather upholstery and elastic sponge provide superior comfort Costway Green/Black Contemporary Ergonomic Adjustable Height Swivel Task Chair