MCM Interior Wallstone brings you the next generation of interior stone design wall covering. Stone Made Simple. MCM Interior Wallstone is a patented, innovative, and environmentally friendly stone decorating solution that provides incredibly stylish results in less time, materials, and effort than ever before. MCM Wallstone is a durable, lightweight, flexible, manufactured modified clay product that installs in half the time of traditional wall tile products. Ideal for the do it yourselfer, MCM Wallstone transforms any room or wall in your home into a natural environment. Features Stylish slate design in trending colors Durable Flexible: Can be used on rounded surfaces Easy to cut or trim: Use a utility knife or hand held powered cutting tool Easy to install; Installed with or without grout Stain resistant and very Easy to clean.