? This Multifunctional Office Chair Has Two Materials To Choose From,Pu Leather Material And Fabric Material.Pu Leather Is Light In Texture,Waterproof And Stain Resistant,High-end,Simple And Stylish.fabric Material,Soft And Skin-friendly,Moisture Absorption And Heat Dissipation,Good Air permeability.? It Has A Variety Of Functions,With Ergonomic Lumbar Support,A Liftable Seat,A 145° Inclined Backrest,And 360° Rotating Casters.can Provide You With An Absolutely High-quality Office Chair Experience.this Is The Chair Of Choice For Your Home Office!? Product Detailsbackrest Size:45x61cmcushion Size:45x45cmseat Height:44cm-54cmtotal Height:93cm-108cmbase Diameter:60cm(23.6")Maximum Tiltable Angle:145°color:Black,Khaki,Amber,Gray,Blueframe Material:Environmental Protection Ppbase Material:Nyloncushion Cover Material:Pu Leather,Fabriccushion Filling Material:High-density Spongeapplicable Space:Home,Bedroom,Study,Office,Meeting Room,Reception Room,Guest Room,Etc.suitable For The Crowd:Adults,Children,Teenagers,Men,Womenpackage:1x Office Chair? Noteswe Strongly Recommend Reading The User Manual Before Starting To Assemble.assembly Tools Are included.? About Customer Service:If you have any questions or concerns,we welcome that you contact us via E-mail.We will get back to you within 24 hours.Our mission is to provide you with an excellent shopping experience.BUY WITH CONFIDENCE!