Coral Reef 1-piece Peel & Stick Door Mural Door size murals are the perfect solution for decorating smaller wall spaces or brightening up those otherwise drab doors. All door murals come in separate, easy to install panels. Install by simply pasting and smoothing like wallpaper. QuickMurals are applied by Simply peeling off the protective backing and smoothing onto any smooth, flat non-porous surface - indoors or outdoors. No tools or paste are needed to install the "QuickMurals". They are printed on Self-adhesive canvas that is impossible to tear, wrinkle or crease. Go ahead! Just try! They are repositionable and can be moved from wall to wall hundreds of times.QuickMurals will not damage your walls and will not leave any sticky residue when removed. "QuickMurals" can also be applied directly onto glass.