Wall decals, often used as a creative way to decorate spaces, are not typically reusable. Once they are applied to a wall, they stick firmly and removing them can cause the adhesive to lose its stickiness, making it difficult to reapply them on another surface. However, there are certain types of wall decals known as reusable wall decals. These are specifically designed to be moved and reapplied multiple times without losing their adhesive properties. It's important to note that even reusable wall decals have a limit to how many times they can be repositioned before they start to lose their stickiness. Always refer to the manufacturer's instructions for proper application and removal to ensure the longevity of the decals.