[Pre-Order Model : Estimate 20 days --> 233AQW Oliver Mesh Grey, 233AQW Red, 233 AQW Silver] 233A is cushioned seat with back mesh 233AQW Full Mesh is Original Nylon Mesh 233AQW Oliver Mesh is our customize mesh. Comfortable Lumbar Support Adjustable Head Rest Intelligent Weight Detection Lumbar Support Note : 233 Series Lumbar Pillow cannot be manually adjusted (Automatic Spring) Multi Gear Lean back Locking Cable Controlling Mechanism Sliding extendable Seat 3D Adjustable Arm Rest Silent PU Castor 233A Cushion seat with back mesh 233AQW Full Mesh QW Plus Full Mesh Optional to Upgrade to Oliver Mesh (OM) Free Installation and Delivery Warranty: Warranty covering manufacturing defects, including Lumbar Support, Mechanism, and Spare Parts (Excludes normal wear and tear, such as degradation of mesh, top portion of armrests, and exterior of castors). Warranty for product within 1 month upon the date of receiving will include free onsite service. A transportation fee per trip will be applicable after 1 month. Warranty VOID if modification done. * Measurement is base on estimation, it may have 5cm to 15cm different. Colour displayed may differ on tablet/handphone/laptop/computer