Stretchy Material: 92% Polyester + 8% Spandex. Elastic fabric stretches more easily and fits comfortably on your sofa. It is a sofa cover specially designed for the corner sofa. Also, there are foam cylinders that can be placed in the seams of the sofa to hold the sofa cover in place. And having a corner sofa cover not only protects your sofa from stains, but also looks great on yours. Size Guide: Regardless of the position of the recliner on the left side or straight of the main sofa, the sofa cover could fit your L shape sofa. The package includes two sofa covers, please install two sofa covers for the corresponding two parts of your sofa. You can measure the length from A-B and C-D to check which places the two parts are, then choose the combination, for example, 4 places + 3 places. Which place? You can know which place fits each part (A-B, C-D) of your sofa according to 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 : It is easy to install and remove the sofa cover. It is machine washable. Machine washable (cold), do not iron or bleach, tumble dry low. Separate washing for the first time. Note: 1, the package only includes two sofa covers, without pillowcases. 2, if your sofa is a whole, not easy to pull out and separate, be careful to buy it. 3, please measure the length of the two parts of the sofa before purchasing.