To use these posters and prints, simply pick a spot in your room that needs a touch of style. You can hang them on the wall using regular wall - hanging tools. Just make sure the wall is clean and dry before hanging. Since frames are not included, you can choose a frame that matches your decor. When it comes to maintenance, avoid exposing the prints to direct sunlight for long periods as it may fade the colors. Dust them gently with a soft, dry cloth. And if they get a little dirty, you can use a mild cleaner on a soft cloth to wipe them carefully. That's all you need to do to keep your 'Greetings from Outpost 31' posters and prints looking great!