These velvet chair protectors are made from 95% polyester, 5% spandex. The stretchy material and elasticated hem means they can be easily stretched over your existing chairs, providing a neat fit that stays securely in place. These easy-fit velvet slipcovers will not only help protect your existing chairs but are also simple to keep clean themselves. They are machine washable and can be tumble dried on a low heat. Do not use bleach and do not iron. Suitable for indoor use. They can be used in your home to transform your dining room, living room, or bedroom. Or why not add some luxury to your party, wedding, banquet, meeting, hotel or restaurant. SIZE GUIDE: These dining chair covers will fit chairs that have the following measurements: Back Height: 45cm - 60cm (18" - 24"), Back Width: 35cm - 48cm (14"-19"), Seat Length: 38cm - 50cm (15" - 20"), Seat Width: 38cm - 50cm (15" - 20"). Neel Blue Velvet Chair Cover, Spandex Stretch Dining Chair Slipcovers in Dark Grey