Description Elastic Material --- Can be stretched to fit for chair within 38-52cm/14.96-20.47inch in length and width.Easy Installation --- All you have to do is it gently over the seat. The elastic edge will keep it steady and nicely tucked in, makes the desk chair look like new.Unique Design --- Multiple colors available for your choice, redecorate your task chairs, making your flaky but still reliable chair new again, greatly graces your home or office.Multifunctional --- Fits most types of office chairs. Perfect choice for home study, office,cafe,bar.Easy Care --- Made of polyester spandex, machine washable, waterproof,eash to clean.Specification:Material: Polyester Fiber 95%+Spandex 5%Size Chart:38-52cm/14.96-20.47Package Includes:2 Pieces Chair Seat Cover (Back Cover is Not Included)Note:1. Please allow slightly error due to manual measurement.2. Due to the difference between differ