92% ployester and 8% spandex. It is stretchy, soft, comfortable, durable and wrinkle-resistant, suitable for most chairs. 
Back Height 18-23" (45-60cm); Seat Length 15-19" (38-48cm); Seat Width 15- 19" (38-48cm). 
Package includes 4 x Chair Covers. 
Cover it over your old chair, it will make the chair look like new, and at the same time keep your chair free from stains, graffiti, scratches, etc.
Easy to put on and take off stretchable and durable. Easy to clean Machine washable and reusable.