High quality This Chair cover is made of 90%polyester and10%spandex.The fabric is strong and feels comfortable, you will have a good shopping experience with our chair covers. Standard size This chair cover fits most folding chairs(without armrest) in standard size. How to use:This chair cover is with 4 elastic foot pockets at the bottom.You just need to stretch over the chair cover,and put 4 chair legs into the foot pockets.Then the chair is well covered and looks neat. How to care:This chair cover supports machine washing and hand washing. It is recommended to use cold or low temperature cleaning instead of high temperature cleaning. After cleaning, please lay flat and dry.