Topstar OPEN POINT SY Mesh Office Chair, Mesh/Fabric BlackModern syncro swivel chair which supports the intervertebral discs in a trendy mesh style Seat height adjustable in various positions by Toplift (LGA proved) High ergonomically formed backrest, height adjustable by locking system Design backrest with breathable mesh cover, backrest frame with division bar for a high stability and seating comfort Comfortable special pelvic seat for optimal support of the pelvic area Point syncro mechanism, tension