Yaheetech Mid-back Mesh Office Chair Height Adjustable for Students Study, Dark Gray

This 360° swivel ergonomic chair is your most cost-effective choice for your office and home. Soft sponge padded seat and breathable mesh backrest are comfortable to use even during hot weather. Curved backrest with lumbar supports can reduce your fatigue after long-time sitting. Adjustable seat height to your variable needs. Five wheels can be rotated and rolled in all directions, which is convenient for multitasking. This durable and sturdy mesh chair is ready for your long-term use.

How to Dismantle Pneumatic Cylinder：
Step 1: Disassemble the wheels from the claw base.
Step 2: Stand on the claw base to make it stable, then hold the armrests and shake the chair leftward and rightward while lifting. Repeat 5-6 times until the pneumatic cylinder and the base comes off the seat.
Step 3: Turn over the claw base. Use a hammer (preferably a rubber hammer) to tap on the center of the base to loosen and disassemble the air cylinder from the base.
NOTE: It is recommended to add some edible oil/engine oil/oxidation inhibitor to the connection between the air cylinder and the claw base for lubricating.

Features:
*Comfortable Armrests
*Quality Gas Cylinder
*Breathable Mesh Backrest
*Customizable Height
*Reclining Office Chair
*Soft High-density Foam Seat
*Excellent Maneuverability

Specifications:
Color: Dark Gray
Material: steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards
Overall dimension: 60 x 60 x (91-100.5)cm (LxWxH)
Adjustable seat height: 35-45cm
Seat size: 51 x 49.5 x 7cm (LxWxThickness)
Backrest size: approx. 49.5 x 46cm (WxH)
Maximum load capacity: 136kg
G.W.: 10 kg
N.W.: 8.6 kg

Packing List:
1 x Mesh Office Chair
1 x User Manual