✈Delivery Time: 3-5 daysThis item ship from US♛Our Guarantee● If item was damaged during transportation, please contact us! We will sent replacement parts free of charge in few days.● We are a professional manufacturer and distributor of household goods. All products are made of high quality materials.● We are constantly striving to produce high quality products. If you have any questions, please don't to contact customer service. We will provide you with the best solution.Product Feature:(1) The ergonomic mesh office chair has a durable breathable mesh backrest that allows air to circulate and keep you cool when you lean.(2) The soft and moderate sponge pad can adapt to the sitting position of the human thigh for a long time, with full shape, good elasticity and no deformation, which can provide you with a comfortable seat.(3) The computer chair with standard Classic-3 gas lift is safer through SGS and BIFMA!(4) Perfect packaging: computer desk and chair packaging includes all accessories, high-strength packaging can protect all accessories from damage(5)The office chair can be rotated 360 degrees to achieve the convenience of multi-tasking, and its durable casters make the scrolling movement from one area of ​​the office to another area smoother, sliding up to 100,000 times.(6)height-adjustable footrest that can be adjusted within 3.1 inchesProduct Specifications:Material: durable mesh, high-density sponge, Colour: BlackHeight: 39.4-47.3 inchesSeat height:20.7-28.5 inchesCertificate: SGS & BIFMA standardNote:1.If item was damaged during transportation we will sent replacement parts free of charge.2.All our products are in good condition before shipment.3.If you have any quality problems, we will help you solve them in time.