[Product material] The grinder is made of stainless steel, plastic and silicone, which is not easy to fade or break, and can be used repeatedly for a long time. [EASY TO USE] When using the stainless steel mortar and pestle set, you can put the spices or herbs you need to grind into the mortar and pestle. By manually rubbing and pressing the mortar and pestle, you can grind the spices or herbs to the desired fineness. [EASY TO CLEAN] The grinder can be easily cleaned of residual powder. Just wash it with detergent and warm water, then dry it with a towel [Easy to Clean] The manual spice grinder can be used for powdered herbs, grains, spices, nuts, seeds, garlic, coffee, tea, bread, biscuits, fine powders, chemical and laboratory use