Pepper grinder set have a 304 stainless steel lid, a ceramic grinder and food grade glass.The durable quality and stylish design make it a great addition to your kitchen.With the capacity of 180ml, the grinder can contain lots of pepper/spicy, there is no need constant refill. There are 1 grinder in the package, you can , pepper,spices or according to your desire.These manual pepper mills are to use and totally .Simply turn the dial clockwise for a grind and counterclockwise for a more coarse grind.The tightly sealed stainless steel cap helps of spices and stay fresh, also keep the spices away from moisture and . Compared with electric mills,these manual operated pepper mills with no batteries can decrease probability of broken.1* Pepper Grindersnull