For full functionality, we recommend downloading the original file.The viewer version is intended only for use in the web viewer. In the original file, the following are fully preserved:✔ native scene structure✔ unsimplified materials✔ proper texture maps✔ proper object namingIf you intend to use the asset in a production environment, select the Original format.Ergonomic office chair with mesh back padded seat adjustable armrests and wheeled base.