Stretch Fabric: 92% polyester + 8% spandex. This stretchy fabric makes it easier to fit and comfortably covers your sofa. Specifically designed for sectional sofas, this slipcover includes foam cylinders to tuck into the seams, keeping it securely in place. Protect your sofa from stains and give it a stylish new look with this corner sofa cover. Size Guide: This slipcover works whether the chaise lounge is on the left or right side of your sofa. The package includes two sofa covers; install them on the corresponding sections of your L-shaped sofa. Measure the length of AB and CD to determine the size of each section, then choose the appropriate combination, such as 4-seater + 3-seater. Which size do you need? Use the size chart to determine the correct size for each section (AB, CD) of your sofa. 1-seater: 90-140cm, 2-seater: 140-185cm, 3-seater: 185-230cm, 4-seater: 230-310cm. Easy to Install and Care For: The sofa cover is easy to install and remove. It's also machine washable for your convenience. Machine wash cold, do not iron or bleach, tumble dry low. Wash separately for the first wash. Note: 1. The package includes two sofa covers only, pillowcases are not included. 2. If your sofa is a solid piece and not easily separated, please be cautious when purchasing. 3. Measure the length of the two sections of your sofa before purchasing.