Made from naturally absorbent sandstone, our luminous Louis C. Tiffany Clematis coasters will soak up moisture from the wettest glass and protect your favorite family heirlooms with their durable cork backing. Our Clematis Coaster's design was adapted from the Museum's Clematis Hanging Shade made by Tiffany Studios, circa 1900-1906, and was designed by Clara Driscoll (1861-1944). The lamp's cone-shaped shade depicts blue clematis flowers in full bloom, with the flower petals and leaves rendered in colorful mottled and rippled glass. These coasters will add an elegant accent to any table.