Hello Twig is made of 1/8th” sheet steel that is hand cut and then the surface is ground and brushed to create a textured surface. It will mount easily on any wall and comes with directions on mounting options. Display it alone or choose multiple branches to hang together so you can mount cards, notes, or your photos with magnets or hang mementos, decorations, or even keys in a way that is thoughtfully, perfectly you! They come in a variety of sizes. This one is 21″w x 3.5″h for example.