Upgrade: This GranBest sofa cover is made with the latest water-repellent technology, which can protect your sofa from accidental spills and everyday stains. Ideal for homes with children and pets. Note: Not waterproof (spills on the sofa cover should be removed immediately). Stretch Fit: This sofa cover is made of super-soft stretch fabric, 95% polyester and 5% spandex. It is highly stretchy, soft, wrinkle-resistant, strong, and durable. This sofa cover fits most types of sofas. An elastic hem is sewn into the bottom for a secure fit. Choosing Size: Measure the length of your sofa (including the armrests) before choosing. We offer 4 sizes of sofa covers: 1-seater (80-120 cm), 2-seater (145-178 cm), 3-seater (185-235 cm), and 4-seater (235-300 cm). The dimensions of your sofa will tell you which sofa cover you should choose. Instructions: Find the "Back" label on the sofa cover and place it in the back right (or left) corner of your sofa. Start at the back and cover the entire sofa.