Elastic Fabric: Each package includes 2 pieces of stretch gaming chair covers which are made of 90% polyester and 10% spandex, with enough flexibility. It is suitable for most computer office chairs. Chair Size: Measure your chair before purchasing. Chair back: (22-25 inches) width x (31-35 inches) height/ Chair seat: (16-22 inches) width x (22-25 inches) length. Zipper Design: You will love the high-quality computer chair slipcover with zippers, which are provided on both sides facilitate fixation and prevent shedding. Decorate & Protect: Redecorate your arimchairs, it will give your Swivel chair a new look if your chair looks a bit broken or not so new. It will also protect your chair from further damage. Care Instructions: Our computer boss chair covers are machine washable in cold water. Do not bleach. No dry cleaning. Iron in low heat.