QUALITY MATERIAL: The office chair cover is made of 92% polyester and 8% spandex. The classic checkered jacquard fabric is highly elastic, soft, non-slip, wrinkle-resistant and washable. Super stretchy and can easily fit most office chairs. Give your old chair a new look and protect your chair from dust and pet scratches. UPGRADED NON-SLIP PROTECTIVE COVER: In addition to the elasticated straps, the new version adds straps to make this retractable chair cover easier to secure and non-slip. It is suitable for square or round chair cushions, dining chairs and so on. Reference Chair Size: Large Applicable Chair Size Backrest width: 50~60cm backrest height: 70 ~ 80cm chair length: 45 ~ 55cm Chair length: 45~55cm Chair width: 50~60cm Please measure the size of your chair. EASY INSTALLATION: The decorative computer chair cover is easy to install. Made of durable high stretch polyester and spandex fabric, the office chair cover quickly secures into place with elasticated edges for a perfect fit. PLEASE NOTE: Chair cover only, no chair. Please read our size guide provided in the picture and measure your chair size to determine fit.2 Piece office chair cover can be washed by hand or in the washing machine in cold water. No ironing is required. If you have any questions about these chair covers, please feel free to contact us.