STRETCH FABRIC: 95% polyester and 5% spandex make our sofa covers more stretchy and durable, offering both good function and comfort. There are also various charming colors to choose from to decorate your sofa. GOOD FIT: The recommended size is: (Approx.) Sofa cover 1 seater applicable for sofa length 90-140cm, 2 seater applicable for sofa length 145-185cm, 3 seater applicable for sofa length 190-230cm, 4 seater applicable for sofa length 235-300cm. NON-SLIP DESIGN: Our sofa cover can cover the back of your sofa and provide full protection. Also, the sofa cover straps could be tied under the bottom of the sofa to prevent the cover from moving. EASY TO INSTALL AND CLEAN: Unique weave helps remove pet hair quickly and easily. And the stretch sofa covers can be machine washed, which is easy and convenient. NOTE: 1, the product is only sofa cover, not including sofas or pillowcases. 2, machine wash below 30 degrees Celsius. Note: The data are all measured manually. Please allow an error of 1-3cm. Due to the difference between light and display, there is a certain color difference, which depends on the actual object received