To use these 'Orbital Atomic Dice' posters and prints, simply choose a spot on your wall where you want to display them. You can use regular wall - hanging tools like nails or adhesive strips. Make sure the wall surface is clean and dry before hanging. As for maintenance, avoid exposing them to direct sunlight for long periods as it may fade the colors. You can gently dust them with a soft cloth from time to time to keep them looking fresh. Don't use any harsh chemicals on the prints as it could damage the surface.