As a kind of DIY sliding letter, can be made of different styles, such as mobile phone chain, bracelet, key chain etc. You can make them as what you want. The material of it is Zinc Alloy, Chrome-plated, with CZ White stone. The color of the stones can be changeable! There are A-Z 26 letters and also other new designs such as heart, star, cross etc. Color and letter can be chosed. We can choose some numbers which is special for you or your family, or you can make your name on it, It's a very nice gift also!