Chair cover fit for computer chair,armchair,swivel chair,gaming chair,computer boss-chair.Material: spandex, Elastic stretch to install,soft and comfort to seat on it,suitable for computer chair,rotate armchair stool cover,swivel chair cover,computer .PolyesterPackage Includes- 1 or 2 pcs x Chair Cover (the chair is not included) ; Chair Protectors, chair back cover/ seat cover/ armrest cover, Gaming Chair Cover Spandex Office Chair Covers Elastic Armchair Seat Covers for Computer Chairs Slipcovers, Office Computer Game Chair Cover Armchair Gaming Chair Stretch Protector Slipcover Armrest Cover, Easy to use, easy to put on and off to clean it.Package included: 1pc X Chair Cover.The design on the side of the computer chair cover helps to fit tightly and prevent movement and falling off.Super easy to put and they stay on very well.Fit for chair SIZE:Chair back height is 31.50-34.65 inch,Chair back top width is 8.27-11.42 inch,Chair back medium width is 22.05-25.20 inch,Chair back bottom width is 20.08-23.62 inch,Chair seat width is 21.65-24.80 inch,Chair seat length is 15.75-20.47 inch.Arm rest cover length is 9.84-11.81 inch and arm rest cover width is 1.97-3.94 inch.