1、Made of 100% high quality and eco-friendly Polyester material, non-toxic, stain-resistant and odorless, durable and not easy to split 2、It is soft, comfortable, wrinkle resistant, no ironing required, you can repeatedly clean it by wash machine 3、Stretchable material, you can put on it quickly, easy to install. Each piece with both of zipper closure type & hook and loop closure type, bringing much convenience for you to use 4、S, L, M 3 sizes with various colors for you to choose to suit for your different sizes office armchairs 5、The classical design increases a warm sense and reflects the owner's taste