Btsky Ergonomic Office Computer Game Chair Slipcovers Stretchy, No Chair BTSKY Chair Covers: Fit for chair SIZE: Chair back height is 31"-35",Chair back top width is 8"-11",Chair back medium width is 22"-25", Chair back bottom width is 20"-24", Chair seat length is 22"-25"?Chair seat width is 16"-20 Material: spandex,elastic stretch to install,soft and comfort to seat on it Functional: Anti-slip,Dustproof,Anti-dirty,Anti-scratch,Washable,Removable,Durable to use; Chair cover with zipper to install easily. It can protect your chair for New, also if your chair is old, cover with this make it look great PACKAGE includes: 1pc top chair cover and 1pc seat chair cover,1 pair armchair rest cover, note that no chair Chair cover fit for computer chair,armchair,swivel chair,gaming chair,computer boss chair. Kindly please carefully read the Size Chart we provided in the pictures, and measure your chair size to determine if it will work