92% Polyester/8% Spandex Fashion Protect: Fashion rhombic lattice jacquard fabric design, give your old, damaged or ugly chair a new look and protect your chairs from scratches, spills and accidents, especially Great for office workers and students or have pet family. Material: Made of 92% polyester and 8% spandex, stretches to fit most office chairs easily. Equipped with elastic band, easy to fit and anti-slip, wrinkle resistance and reusable. Recommended Chair Size: Will fit Seat cushion length: 18''-22''; Seat cushion width: 18’'-22''; Seat cushion high: 1.3''-2.5''. Install and Care: Durable fabric with elastic edge secures the cover in seconds. Machine Wash in cold water, gentle cycle. No ironing needed. Flexible Use: Stretchable chair seat covers are great for square or round seat cushions office chairs, kitchen and dining room chairs, bar stools and more; revamp your chairs at half the cost.