The aluminum handle is ergonomically designed, comfortable to hold, waterproof, and dirt is not easy to remain. A tinplate storage box is included. Built-in sponges for easy storage. It can be used to clean things other than coffee powder, such-as teas powder, sugar, baking powder, . Gently clean the coffee machine without damaging the cutter-blade, which help maintain the coffee equipment and keep the grinder clean and perfect . Easy to care, wash with warm water and mild soap , absorb excess water with towel, and dry at room temperature.