Ready to use! Already cleaned off lava stone dust and seasoned. The hard part is already done for you! Was only used a couple of times. Used for centuries by Mexican cooks, this ancient and ingenious form of mortar and pestle uses the rough surface of volcanic stone to more efficiently grind and release flavorful oils from vegetables and herbs. The molcajete both preps and serves, presenting salsa, guacamole, pesto and more. Due to the natural stone, each set is beautifully unique. Mortar: 8" D x 4.5"H Pestle: 5.2" L x 2.25"W Volcanic stone Variations in color are to be expected Hand wash only Made in Indonesia