Yaheetech Office Chair Ergonomic Computer Chair Mid Back Adjustable Desk Chair with Lumbar Support Armrest, Swivel Rolling Mesh Task Gaming Chair for Home Office Work Study, Black

【ERGONOMIC DESIGN】-Curved backrest with fixed lumbar supports perfectly fits the human body and supports the spine’s natural curve. The seat height can be adjusted from 13.8’’ to 17.7’’ for customized comfort during long periods of working or studying.
【LARGE CUSHIONED SEAT】-This home office chair features a spacious seat that measures 20’’(W) x 20.7’’(D) and is padded with high-density foam, offering substantial cushy support and relieving fatigue from hours of sitting. A larger seat can accommodate users of different body sizes.
【LEAN BACK AND RELAX】-By simply pushing the lever or pulling it out, this mesh office chair can be tilted and leaned backward for relaxation during breaks. A tilt tension control knob under the seat is equipped to adjust the recline angle.
【BREATHABLE MESH BACK & SEAT】-The back and seat of the computer chair are wrapped with breathable mesh to allow air, body heat, and moisture to freely pass through, helping you maintain a comfortable temperature. Premium nylon mesh has excellent elasticity and wear resistance and will not deform after years of use.
【ROBUST CHAIR CONSTRUCTION】-This office chair is constructed of hard-wearing nylon mesh, high-density foam, durable star base, solid rolling casters and SGS-certified gas cylinder. It has passed BIFMA X5.1 Test and is recommended for office use for customers under 300lb.