For optimal adhesion of the decal to the wall, it is important to properly degrease the surface. This is especially true for walls painted with washable paint. These paints often contain dirt-repellent coatings or additives, which make stickers stick less well. Therefore, use these degreasing wipes (containing 70% isopropyl alcohol) to properly prepare the surface. They help the protective layer of this type of paint adhere better.
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