Say goodbye to holes, marks, or sticky residue on your walls, doors, or closets; Command Hooks by 3M are easy to use & help keep your walls looking beautiful. Forget about nails, screws & tacks, Command Picture Hangers are fast & easy to hang. There's no hassle, no holes left behind & no harm done. Holds strongly on a variety of smooth indoor surfaces including painted walls, smooth ceilings, finished wood, glass, tile & metal. Reorganize when inspiration strikes. These wall hooks leave no sticky adhesive behind. One hanger holds four pounds. Hanger / Hook Type: Hanger; Width: 1"; Height: 3"; Hanger Material: Plastic.