Easy To Clean?Crated In Natural Marble, Surface Polishing For Easy To Clean | | Save Effort?Crush And Blend Spices And Herbs, Peppercorns, Garlic, Nuts, Butters Easily | | Various Sizes To Choose?Different Ingredients Are Suitable For Different Size | | Substantial?Nature Marble Is Substantial Enough To Use For A Long Time | | Flavorful? Bruising The Ingredients By Hand Can Enrich The Flavor | |