Using our Celtic Cross Decals is easy. First, clean the surface where you want to apply the decal to make sure it's dry and free of dust. Then, carefully peel the decal from its backing and place it on the surface. Smooth it out with a credit card or a similar flat object to get rid of any air bubbles. When it comes to maintenance, just use a mild soap and water to clean the decal. Avoid using abrasive cleaners as they can damage the decal. Also, try not to expose the decal to extreme temperatures for long periods. If you want to remove the decal, slowly peel it off from one corner, and it should come off without leaving much residue.