For effective damage-free hanging indoors, use Command™ Medium Wire Hooks, they hold strongly to a variety of surfaces including solid, hollow, painted walls as well as other materials including wood, tile, metal, and glass. They’re easy to apply and remove, leaving no holes, marks or sticky residue and suitable for any room in the house. Rehanging them is as easy as applying a Command™ Refill Strip, so you can effortlessly take down or move and reuse them again and again.