Description: Elastic Material --- Can be stretched to fit for chair within 38-48cm/14.96-18.90inch in length and width. Easy Installation --- All you have to do is slip 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% Package Includes: 1 Piece Chair Seat Cover (Back cover is not included)(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!