Yes, 100% polyester is a good choice for chairs. Polyester is a durable and versatile fabric that can withstand regular use and is resistant to wear and tear. It is also known for its resistance to fading, making it suitable for chairs that are exposed to sunlight. Polyester is easy to clean and maintain, which is an added advantage for chairs that are prone to spills and stains. Additionally, polyester comes in a wide range of colors and patterns, allowing you to find a style that suits your aesthetic preferences.