To use these Mega Days posters and prints, simply find a nice spot on your wall or a flat surface to display them. You can use wall - hanging tools like nails or adhesive strips if you want to hang them. When handling the prints, make sure your hands are clean to avoid smudging the ink. To keep them in good condition, avoid exposing them to direct sunlight for long periods as it may fade the colors. Also, keep them away from damp areas. If there's a little dust on the print, you can gently wipe it with a soft, dry cloth.