There is no better way to be involved with game or concentrate on working than in 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 stress of sitting for long time. Height adjustable seat will satisfy your different demands and caters to people of different height. 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 home office, the mid-century home office chair will be a good choice. Bullet Point: Massage Lumbar Support for Infinite Comfort: Comes with a massaging lumbar support that will bring superior comfort to you. Connect USB to the power supply and you can enjoy a massaging experience to relieve your waist muscle fatigue whether you are working, gaming or just sitting. Adjustable Seat Height & Tilt Angle: The seat is adjustable within the range of 47 – 56 cm so that it can satisfy different people of all heights and varied requirements. The Tilt angle system to rock the back at angle between 90 - 120 degrees. 360° Swivel for More Convenience: Equipped with 5 flexible casters, the computer chair features 360° swivel for easy mobility in all directions. Rolling caster can move smoothly and swivel seat lets you keep mobile, making it possible that you can grab office supplies or game devices in short time. Ergonomic Backrest & Armrest: The office chair is designed with ergonomic structure to alleviate discomfort caused by sitting for long period of time. The padded backrest fits well with your body curve while the enclosed armrest relaxes your arm, providing comfortable sitting experience to help you concentrate on working or gaming. Elastic Sponge & Soft Upholstery: The home office chair adopts durable faux leather upholstery, which combines both excellent durability and smooth tactility, to enable itself as practical and comfortable as you may want it to be. Thicker as well as high density sponge will provide extra comfort. Features: Massage waist cushion relieves your muscle stiffness Easy height adjustment via lever under the seat meets different needs Rocking function brings much more fun Metal base equipped with 5 smooth rolling casters for free movement Swivel seat helps you stay mobile to grab what you want or take a relaxing rest Mid-Back backrest and enclosed armrest relax your body Durable faux leather upholstery and elastic sponge provide superior comfort Both sturdy construction and premium pneumatic cylinder ensure reliable daily usage Perfect for living room, game room and office Specifications: Color: As the picture shows Material: PVC, PU, Sponge, Wood, Iron Overall dimension: 60 x 60 x 80.5 – 89.5cm (L x W x H) Net weight: 11.5kg Weight capacity: 120kg Package Includes: 1 x Massage Office Chair 1 x Instruction