Made of food grade 18/8 stainless steel, the mortar set is solidly constructed, durable, anti-rust, anti-corrosion. The mortar and pestle set comes with a silicone cover and anti-skid base, the pestle feels substantial in your hand. Rinse thoroughly under the tap and wipe clean to prepare for the next use. Great for seeds, ginger root and garlic, homemade salad dressing, sauces and condiments, such as fresh mustard, guacamole, pesto, salsa, chutneys; Including turning pills into powder for patients and your pets , crushing herbs, etc. We offer 24/7 service and no reason return and refund, if you have any question about our product, please feel free to contact us.