This office chair slipcover can not only prevent dirt, but also cover up your old desk chair to make your old computer chair appear brand new! Desk chair covers are functional, beautiful and save you money by extending the life of your chair. Velvet Plush Material Stretch sofa slipcover use Soft velvet plush fabric,The sofa cover is made of 94% Polyester 6% Spandex fabric,Luxurious and Durable, givingyou soft and comfortable touch.Solid color with simple and chic design style Stretchable Office Chair Cover with Armrest The Office Chair Cover includes seat cover and backrest cover. Easy to install and clean. it is suitable for most desk office chairs. SIDE ZIPPERS & ARMREST ZIPPERS DESIGN Applicable Size: L Size Chair back's width:16.5""-21.7"/ 42-55CM, Chair back's height:22.8""-27"/ 58-69CM, Chair scat width:14.9"-16.6"/ 37-42CM, Chair seat length:16.5"-21.7"/ 42-55CM; XL Size Chair back's Width:17.7"-22.9""/45-58CM, Chair back's Height:27.5""-31.5"/ 69-80CM, Chair Seat Width:17.7"-23.7"/ 43-60CM, Chair Seat Length17.7"-22.9"/ 45-58CM In order to get a good fitting, kindly measure your office chair before ordering: Always measure your chair size to determine if it will work. Package included: Office Chair Cover with Armrest x 1PC,no chair.