ImpecGear Ergo HQ Mesh Back/Fabric Seats W/Black Frame Easy Folding Fold Out Chairs (Kairo Grey With Headrest)*Ergonomic Design Office Chair: High back with or without headrest ,SEAT SLIDER CHAIR adjustment for different person's height, adjustment lumbar support and seat height,360 degree swivel,gives extra relaxation and comfortable for long day work people. Heavy duty nylon base and smooth rolling casters with weight capacity of 250 poundsEasy to Install: The instructions are very easy to follow, you just need to count a few screws and bolts, you can