Yaheetech Adjustable Ergonomic Mesh Swivel Computer Office Desk Task Rolling Chair

This office chair is constructed of hard-wearing nylon mesh, high-density foam, durable star base, solid rolling casters and SGS-certified gas cylinder. It has passed BIFMA X5.1 Test and is recommended for office use for customers under 300lb. It is equipped with nylon swivel casters to make sure users can move with the chair effortlessly with a 360 degrees rotation. Durable materials of these five casters allow smooth and steady mobility.Curved backrest with fixed lumbar supports perfectly fits the human body and supports the spine’s natural curve. The seat height can be adjusted from 13.8’’ to 17.7’’ for customized comfort during long periods of working or studying.