Details: Ergonomic Office Chair, Adjustable Headrest Mesh Office Chair Office Desk Chair Computer Task Chair Swivel Lumbar Support Desk, Computer Ergonomic Mesh Chair with Armrest Feature: 100% brand new and high quality . Quantity: 1pc. Material:Mesh cloth ,Nylon. Colour：Black. Export Package:59.5x32x55cm 23×12.6x22inchs. Applicable scene:Office, home life, beauty salons, etc. Weight:10000g 22lbs. Specifications: It is a new product with absolutely no damage. It is an amazing design,The main frame is made of stainless steel, which has long service life, high gloss, is not easy to corrode and good safety. Adjust the height of the chair freely with the adjuster, suitable for different crowds and places. Rotary pulley, 360 degree free rotation pulley, free movement, good stability. Aluminum alloy prong base, aluminum alloy strength five-claw design, safe and secure, wear-resistant and durable. Explosion-proof chassis, safety explosion-proof chassis design, rigorous testing. The breathable mesh cloth is wrapped on the whole frame and has good air permeability. Ergonomic design, sit up can ease fatigue, for the lumbar spine has played an effective role in protecting the cervical spine. Instructions: Because the size of the product is measured manually, there may be errors. Package Includes: 5pcs×pulley 1pcs×hydraulic rod 1pcs×chassis 1pcs×stool 1pcs×Backrest 1pcs×Head pillow 1pcs×Setup Toolkit