1.Fashionable crystal are made of diamond.2) Used for anywhere you like,such as mobile, MP3,pen,notebook,and mouse mark. Features: 1) Fashionable crystal tattoos are made of diamond2) Used for anywhere you like, such as mobile, iPod, MP3, pen, notebook, and mouse mark3) Safe and non-toxic4) It is easy to apply and remove Jewel Sticker for Mobile Phone,iPod,MP3 Player B01-1