1 HIGH QUALITY FABRICS: Made of 92% polyester and 8% spandex fabric that is eco-friendly, durable and stylish;2 SIZE GUIDE: As shown in the size chart, our S/M/L/XL printed stretch sofa covers fit: Armchair wide from 35 inch to 55 inch; Loveseat wide from 57 inch to 72 inch; 3 Seater Sofa from 74 inch to 90 inch; 4 Seater Sofa from 92 inch to 118 inch. In order to get a better shopping experience for buyers, every sofa cover includes 1 free pillowcase and anti-slip foams in the package;3 EASY INSTALLATION: This sofa covers are easy to install. (Follow the Instructions in the display picture). The bottom of the sofa cover is designed with elastic band, which is more firm. Our provide non-slip foam articles to be put into the seat cushion creases to make the cover stay in place providing clean look with soft . Note: Please ensure your sofas have gaps to insure install well.