The Exo Stri gray marble sink: a stunning piece crafted from a noble, durable material, featuring a striking contrast between two finishes. The exterior showcases a regular grooved design, while the interior is perfectly smooth and visually appealing. This sink is both elegant and uniquely original! The Exo Stri gray marble sink is carved from marble sourced from different quarries, which means it may vary slightly in color, ranging from gray to brown.