Proline Decorative Concrete Systems 2BE 20" x 20" Belgium Slate Touch Up Tool Concrete Stamp. Belgium is known for it's fabrication of captivating Slate. The ability of stamped concrete to resemble natural building materials makes stamped concrete a less expensive alternative. Proline can bring Europe to your home with less cost, functionality, durability and in a portion of the time. Belgium Slate is for the lover of natural stone in it's element. Enshrouded with nature's crevices and veins, this pattern is a fine replication, making for an "earthy" quality. Look at our many Band Tools and Border Art stamps as accents. All Proline Seamless Texture Mats, with the exception of the touch up skins, come with handles.