85% Polyester/15% Spandex Size and Package : 1 piece included. Fit a cushion with 20-25 length or 40-50 length or 59-75 length, 20-27.5 width??2-9 height perfectly. which has great elasticity, fits for more than 90% cushion covers.The same applies to the T-shaped sofa cushion. Premium Material : When an accidental spill, our fabric has a reaction period of 2-8 seconds. During this period, the water will not penetrate immediately. You can use this gap to quickly wipe the spill and keep the cushion cover clean. Comfortable Experience : 85% Polyester and 15% Spandex, soft, anti-wrinkle, no fading, durable as well as highly stretch.Have elastic band all around the edge??held in place the cushion cover by the elastic ring in the back, did not have to adjust it at all when you stand up. Multi-Function : Protect your furniture from stains, spills, wear, tear, scratch and hair. At the same time ,cover the damage the pet did on your sofa cushion, Quickly renew the sofa when a visitor arrives. Perfect Decoration ??The covers keep the shine of the cushion , color is changeable, different seasons have different styles, change household style at will need not expend huge cost.