Stretch Material: 92% polyester + 8% spandex. The stretch fabric stretches easily and fits comfortably over your sofa. It's a sofa cover specifically designed for corner sofas. Plus, foam cylinders can be placed in the sofa seams to keep the cover in place. A corner sofa cover not only protects your sofa from stains but also looks great. Size Guide: Regardless of whether the side-placed chaise lounge is on the left or right of the main sofa section, the cover will fit your L-shaped sofa. The package includes two sofa covers; install the two covers on the two corresponding parts of your sofa. You can measure the length of AB and CD to check which seating the two parts are, then choose the combination, for example, 4-seater + 3-seater. Which Seat? You can determine which seat each part (AB, CD) of your sofa corresponds to using the following size chart: 1-seater suitable for length: 90-140cm, 2-seater suitable for length: 140-185cm, 3-seater suitable for length: 185-230cm, 4-seater suitable for length: 230-310cm. Easy and Convenient: The sofa cover is easy to install and remove. It's machine washable. Machine wash (cold), do not iron or bleach, tumble dry low. Wash separately the first time. Note: 1, The package only includes two sofa covers, including cushion covers. 2, If your sofa is whole, not easy to pull back and separate, please pay attention to buying it. 3, Please measure the length of the two parts of the sofa before purchasing.