Ceville Seasonings Grinder is made of stainless steel and ABS, durable and anti-corrosive. This grinder applys double-ended design, you can grind two different seasonings at two ends. There are dustproof lid at both ends, which can stay grinder inside clean and prevent dust. By rotating the adjustable knob, you can control the seasonings coarseness. A great helper for home kitchen, restaurant and outdoor camping and so on.