1. Material: Metal.
2. Shape: can change to be other shape such as star.
3. Metal Plating: can make difference kind of plating such as nickel,nickel free or gold.
4. Color of material: a lot of colors available.
5. Customized logo and designs are welcome.
6. It is good for gifts and souvenirs.
7.Color: Can change to other color such as pink.