Decorate how you want, when you want without damaging your walls. Command Picture Hanging Strips let you fearlessly hang pictures without nails or tools. Not just for picture frames, these wall hangers are also great for creating a gallery wall, hanging college dorm decor, wooden letters, nursery dcor, acoustic foam boards, and more. Use on painted walls, metal, painted concrete, laminate & finished wood (painted or varnished: shiplap, cabinets, or doors), tile, glass and other smooth surfaces. These picture frame hangers click together to lock in place and keep your pictures level. When you're ready to redecorate your space, the Command Strips remove cleanly and damage free.