A. Fabric: This sofa cover is made of 92% polyester and 8% spandex. It is environmentally friendly, durable, and fashionable. The elastic fabric provides 360-degree all-round coverage, is long-lasting and colorfast, and can protect your furniture. B. Fit: Our sofa covers are suitable for sofas of different specifications. For two-seater sofas/love seats, the applicable length ranges from 135 cm to 170 cm; for three-seater sofas, the applicable length ranges from 175 cm to 220 cm; for four-seater sofas, the applicable length ranges from 225 cm to 290 cm. It is recommended to measure the size of your sofa before purchasing. C. Included items: You will receive a sofa cover, polyester tubes (which help shape the sofa cover), pillowcases (with the same pattern as the sofa cover), and installation service. All items are folded and packed in a plastic bag with a zipper. The plastic bag is waterproof and recyclable. D. Installation and maintenance: Installation should go smoothly if you follow the instructions in the pictures. It can be machine-washed in cold water and tumble-dried at a low temperature. Avoid bleaching.