The Office Chair Cover can prevent your chair from kids playing or pet’s cratch and bite,Protect your chair from daily wears and tears.Extending the life of your chair.Office Chair Cover Bonus with 2 matching armrest covers. Office Chair Cover Elastic Fabric :94% Polyester 6% Spandex,stretchy,soft and comfy high stretch knitted jacquard fabric.Bonus with 2 matching armrest covers. Perfect Fit :Medium for chair back’s width 16.5-21.7inch, chair back’s heigth 22.8-27inch, chair seat length 16.5-21.7inch, chair seat width 14.9-16.6inch.Please measure your chair size before ordering. Full Protect: The Office Chair Cover can prevent your chair from kids playing or pet’s cratch and bite,Protect your chair from daily wears and tears.Extending the life of your chair.Office Chair Cover Bonus with 2 matching armrest covers. Zipper Design: Office Chair Cover Zippers are designed on both chair back sides for facilitate fixation and using.Sewn with elastic loops to cover the bottom edges and easy to install.Chair Cover Great for office chair,computer chair and armrest chair,etc. Easy Care :Office Chair Cover Easy care and maintenance, machine washable.Machine washable separately in cold water on the gentle cycle,do not use bleach.