To use these 'Mischief Cat' posters and prints, you can simply hang them on your wall using a regular hanging method. Just find a nice spot in your room where you'd like to add some decoration. As for the prints, you can put them in a frame of your choice later if you want to make them look even better. When it comes to maintenance, keep them away from direct sunlight to prevent the colors from fading. Also, avoid getting them wet. If there's a little dust on them, you can gently wipe it off with a soft, dry cloth. That's all you need to do to keep your 'Mischief Cat' posters and prints looking great for a long time.