Using these pillow covers is a breeze. Just unzip them and insert your pillow inserts. You can use them indoors on your sofa, bed, or outdoor furniture like patio chairs. They're great for adding a touch of style and comfort to your space. As for maintenance, spot - clean them with a mild detergent and let them air dry. Since they're UV and water - resistant, they can withstand light outdoor elements, but it's best to bring them inside during heavy rain or extreme weather. No assembly is needed, so you can start using them right away. Enjoy the cozy and stylish addition to your home or outdoor area!