For effective & damage-free hanging hooks, use Command™ Designer Medium Hooks. These classic design hooks hold strongly to a variety of surfaces including solid, hollow, painted walls & other materials including wood, tile, metal, & glass. They are easy to apply & remove & leaves no holes, marks or sticky residue. The hooks blend in seamlessly making them suitable for any room in the house. Rehanging them is as easy as applying a Command™ Refill Strip, so you can take down, move & reuse them again & again.