Reference Size of Gaming Chair Cover: Universal office desk elastic chair cover, chair back height 31.5-37.4 Inch; chair back top width 10-13.8 Inch; chair back bottom width 15.7-21.7 Inch; armrest length 7.9-11.8 Inch; chair seat cover Length 21.7-25.6 Inch; Chair seat cover width 17.7-21.7 Inch; For proper fit, please measure your office chair to determine fit before ordering.Zipper for Easy Installation: Gaming chair cover, the back of the chair is designed with a zipper for easy fixing and use, widened and highly elastic band, can fit naturally to the edges, support the bottom and fit corners 360, the seat cover and arm gloves are elastic, so You can install them gently on chairs to give your old chairs a new look.Packaging List: Elastic armrest chair cover, order includes: (chair cover 1, cushion cover 1, armrest cover 2; chair not included) Note: This set is suitable for chairs with armrests, suitable for office chairs and computer chairs , gaming chairs, armchairs, swivel chairs, gaming chairs, boss chairs, offices.Easy to Care: The ergonomic chair seat cover is machine washable and available in a variety of colors. Choose different colors according to your furniture matching. It can still maintain its shape after repeated washing. Please wash it with 30 water or cold water. No bleaching, no ironing required! Protective cushion cover in bright colors.Waterproof Fabric: This computer chair cover is made of double-layer waterproof fabric, easy to clean, the TPU coating on the back is waterproof and has no dead corners, anti-pet bites, removable and washable, very elastic, non-slip, soft, breathable and not easy to Shape-forming, it wraps your chair well and has better tensile strength than regular fabric, protecting your seat from daily wear and scratches.