SOFT STRETCH MATERIAL - Smiry office chair covers are made of 95% polyester and 5% spandex fabric, soft and comfortable, sturdy and long lasting. High elastic fit to protect your chair from spills, stains and tearing perfectly. | FASHION PRINTED DESIGN - Multiple fashion printed patterns to choices, update your old damaged office chair. It is perfectly combine style and durability to add new life to your computer chairs. | EASY INSTALLATION WITH ZIPPER - Zippers are designed on both chair back sides for facilitate fixation and using. You just need open both side zipper and slip on from office chair back, two ties under the bottom will keep it non slip. | SUITABLE FOR CHAIR SIZE - Printed office chair slipcovers will fit chair back's height: 27.5-31.5 inches, chair back's width: 17.7-22.8 inches, chair seat length: 17.7-22.8 inches, chair seat width: 17.7-23.11 inches. Please refer to the measuring guide in pictures to measure your office chair size. | EASY TO CARE - Machine washable in cold water. Wash separately at gentle cycle. Using mild laundry detergent. Do not bleach.