The 301 3D swivel armrest chair accessory is a high-quality, versatile chair accessory designed for ergonomic chairs, providing flexibility and comfort. It supports free left-right rotation and is suitable for a variety of usage scenarios to meet office, study, or leisure needs. The armrest surface is made of durable, environmentally friendly materials, comfortable to the touch, scratch-resistant, and wear-resistant. The base and shaft are made of high-strength alloy to ensure stability and durability, strong load-bearing capacity, and smooth operation. Easy to install and compatible with most chairs on the market.