Using these Celtic Triangle Decals is easy. First, clean the surface where you want to apply the decal. Make sure it's dry and free of dust. Then, carefully peel the decal from the backing paper and apply it to the surface, smoothing out any air bubbles as you go. When it comes to colors and sizes, we've got you covered. Just choose the ones that fit your style. As for maintenance, avoid using abrasive cleaners. A gentle soap and water solution is best for keeping your decal looking great. If you're thinking about customizing a decal, simply reach out to us with your ideas, and we'll make it happen.