Shintenchi Ergonomic Office Chair, High Back Mesh Desk Chairs with Headrest & Lumbar Support Adjustable, 3-Level Tilt Backrest Comfortable Gaming Chair 330lbs Capacity, Big and Tall Rolling Chairs

Adjust Shintenchi office chair to your exact comfort needs: seat height, backrest tilt from 90° to 135°, armrest height, lumbar support (adjustable in height and depth), and a multi-dimensional headrest. Perfect for everything from focused work to a quick power nap. Built-in 4-point support for head, back, hips, and arms keeps your posture aligned, reducing fatigue during marathon work or gaming sessions

The 19.3"W x 19.3"D seat paired with a ventilated mesh back allows air to flow freely, keeping you cool throughout the day. Designed to support a wide range of body types, it relieves pressure on your hips and lower back, letting you stay comfortable whether you're working, studying, or gaming

Paired with an explosion-proof, leak-proof gas lift and a reinforced stainless steel 5-point base, the chair supports up to 330 lbs with complete stability. Lean back, recline, or spin with confidence—your chair stays grounded while you adjust to your perfect seating angle

Navigate your workspace effortlessly with premium, non-marring PU silent casters. They glide smoothly over hardwood, tile, or carpet without leaving scratches. Combined with 360° swivel and height-adjustable arms, you can move freely, reach every corner of your desk, or quickly roll over

Assemble your chair in 15–30 minutes with the included tools and step-by-step instructions. No complicated steps—just simple, straightforward assembly so you can start enjoying a more comfortable, ergonomic workspace right away