It is made of 100% pure tin, taking full advantage of traditional casting techniques. Tin does not rust easily, possesses high antibacterial qualities, and is known as for its low allergic reactivity. Since its high heat conductivity, tin plate has been cooled in a refrigerator and preferred for serving cold plates. You can enjoy cold and tasteful sake in it. Holds approximately 200cc. *Attention and How to Care: How to care and attention to tin: After using brass, please wash it by using mild detergent with a soft cloth or sponge. Do not buff wire wool, scrub brush, or hard something to scratch it. When it become lusterless, please buff up it with toothpaste or sodium bicarbonate in the marketplace. It has low melting point so don't put it near the fire. Do not use microwave.