Stamp It 4000 is an easy to use add water only decorative concrete overlay stamping system composed of a unique blend of cement, mineral aggregates, polymers and chemicals that forms a tough and durable surface. While the Stamp It 4000 50 lb. bag mixture is designed to be easily combined with water, its structure also provides for superior bonding capabilities, freeze-thaw resistance and quick drying, which saves time and money during installation. Stamp It 4000 is designed for both commercial and residential concrete surfaces such as driveways, walkways, pool decks, patios and much more.