Homgoday Ergonomic Office Chair with Adjustable Height Retractable Armrest Tilt Function High-back Executive Mesh Chair Breathable Rolling Swivel Chair Flip-up Arms

Features:
BUILT TO LAST: Firm nylon base with solid metal construction, five-pointed feet design, anti-slack memory foam, and selected PA casters ensures durable and stable use.
HEIGHT ADJUSTABLE: The height can be adjusted from 93cm/36.6 to 103cm/40.6 simply by pressing the lift lever.Adapts to different user heights
FLIP-UP ARMREST: The armrests can be retractedfor 90 to satisfy your needs.You can fold the armrests up and slide the chair under the desk for space-saving storage.
RELAX: Widened shoulder support offers full wrapping. 5 smooth casters allow rolling in all directions. Ergonomic backrest design fits well with the human-spine, and effectively relieves the pressure from back pains.(BTW: Lumbar part behind has room for sundries like newspaper, magazines, etc.)
BREATHABLE: High-density memory foam provides a comfortable sitting experience without any stuffiness, and the high-elastic back mesh design frees you from sweats.