PERFECT FIT - 92% Polyester and 8% Spandex. Soft, no fading, durable as well as high stretch, stay in place, and did not have to adjust it at all. ADVANTAGES - This Computer office chair cover will give your office chair a new look if your chair looks a bit broken or not so new. PROTECTOR - Our desk chair slipcover is made of soft & comfortable fabric, it can protect your desk chair or computer chair from dent, stains, accidental food liquid spills, wear, tear, scratch and hair. Keep your furniture brand new. Perfect for homes with kids and pets. Besides, it"s an affordable and impressive gift for people of all ages. How To Choose The Right Size - Please refer to the measuring guide in the product images to measure your chair before purchase. Our office chair slipcover has great elasticity, fits more than 90% of office chairs.