Product Details: 88% Polyester, 12% Spandex. They fit most chair sizes, they are made of stretchy material, they sit quickly and provide a secure fit with a sewn-in elastic hem. The unique stretch material conforms to the contours of your furniture and ensures a custom fit Easy to install and set up. Short back height: 28-38cm; Back width: 37-45cm; Seat length: 35-43cm; Seat width: 14-35-45cm. Please make sure your chairs fit the dimensions listed before ordering. Fashionable and easy to wear in various occasions: soft, moderate, thin, breathable, wrinkle-free. Suitable for four seasons. Can be used for hotel, wedding, banquet, dinner, meeting, party, ceremony and family decoration, etc. Elegant Interior: These spandex fabric slipcovers allow you to create a clean base that will match any decoration style. Machine wash separately in cold water, gentle cycle. Note: The data is manual measurement, please allow 1-3cm error, due to the differences between the light and the screen, there