You sure can use the decal over again if you remove it with a product called Undo. You can get it at any craft store and I have even seen it in Lowes. This product lets you remove fingerprints from photographs without harming the picture. I have even uses it to remove photos from those dreadful magnetic photo albums. I have used it plenty of times to remove a postage stamp because I messed up on the address. This product neutrilizes the glue on stamp. When product dries which takes only a few seconds the stamp will be as good as new. Hope this helps. Janette
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