SIHOO M59AS Ergonomic Office Chair

This product features a durable polyester mesh fabric with adjustable headrest, supportive backrest, customizable lumbar support, and a maneuverable base with locking and rolling functions.

• The description claims the fabric is colorfast, strong, abrasion resistant, mildew resistant, chemical resistant, heat resistant, and UV resistant.
• The description claims the headrest can be raised, lowered, and flipped.
• The description claims the backrest is made of sturdy PA+ fiber and PE+ polyester mesh with a Double S design.
• The description claims the lumbar support can be adjusted forward and back.
• The description claims the base has a cold-rolled mechanical spring system, multi-functional steel mechanism, and smooth-rolling PU casters.