To calculate the total star rating and percentage by stars, we don’t use a simple average. Instead, our system takes into account things like how recent the review is and whether the reviewer purchased the item on Amazon. It also analyzed reviews for trustworthiness.

Ergonomic office chair: This office chair is designed with an ergonomic human-oriented structure, providing back support to reduce back pain caused by sitting for a long time.
HIGH QUALITY OFFICE CHAIR: Our high quality, environmentally friendly office chair comes from a responsible factory.
PREMIUM QUALITY MATERIALS: American-made high-density mesh, high-elastic foam cushion, high-quality gas lift cylinder. All materials are of good quality, durable and not easy to deform.
EASY TO INSTALL: Our office chair is easy to install. We provide installation instructions and video to help you.