Helen's Asian Kitchen 4-Inch Bamboo Mortar and Pestle features a straight-up bowl and wide pestle designed for quick, efficient grinding. It's a traditional design that gets the job done. Bamboo is less absorbent than wood and therefore easier to keep clean and sanitary. It is also a sustainable resource. Made of natural, caramelized bamboo (oven baked to achieve a dark, caramelized color). Dimensions: 4-Inch tall.