Material: Polyester + SpandexSuitable Office Chairs:Back Height: 14.2-18 inch/35-45cmBack Width: 14.2-18 inch/35-45cmSeat Length: 14.9-20.5 inch/38-52cmSeat Width: 14.9-20.5 inch/38-52cmNote:Please measure your chair before purchasing to make sure it can be installed.Please allow 0.5-1 inch error due to manual measurement.Feature1. Stretchable material high elasticity to fit chairs well.2. Soft material good touch and comfortable to sit no ironing required.3. Independent 2-piece cover design easy to install.4. Removable machine washable. Wash separately in cold water easy to cleaning and wash.Function1. To protect your office chairs from damage anti-dust and keep clean.2. Redecorate your chairs change the look of your desk set.3. Give your damaged or old chair a new look.Package included1 x Chair Cushion Seat Cover1 x Chair Backrest Cover