About this item Height and Depth adjustable Lumbar support with a knob locking system to provide adequate lower back support RM HEIGHT, ARM CAP (Front-Back) & PIVOT INWARDS adjustments that allows your elbows and forearms to be supported by the arm rests. By properly aligning the elbow and therefore wrist on the keyboard, many repetitive wrist and hand injuries can be avoided Multi angle backrest locking tilt mechanism with body weight tension adjustments to smoothen the seating experience. The mesh material used is Nylon for its extra ability to stretch and silk finish Energy absorbing foam with soft mesh upholstery to absorb heat created by continuous seating at one place. Nylon + Glassfiber frame which offers exceptional toughness to the product Class 4 heavy duty gas lift for seat height adjustment bearing capacity 150kgs