A gift from light is of great commemorative value. It is held in hand like the glorious light and shadow of thousands of world. It is unpredictable and lovely. It can write greeting cards (free of charge) and engrave letters (additional 10 yuan, please contact customer service to change the price). The size of this item is 18*18*18MM. If you need other sizes, you can consult customer service. Crystal transparent, more brilliant and dazzling, can send friends, girlfriends, gifts between boys and girls, birthday gifts, can also be made ornaments.