Save money and complete your project with ease with Calico’s Proline concrete stamp packages. Shop our wide variety of packages for your decorative concrete needs, including Ashlar stone, slate, tile, reclaimed timber, limestone, and more. Most packages contain the minimum number of stamps and accessories recommended for the pattern. Find easy-to-use Seamless Packages and Seamless Magnetic Pattern Stamp Packages. Thanks to magnets, just rotate and lock in place for perfectly aligned grout lines.