Help for a gift

Hello, I want to buy something to start street graff for my girlfriend for christmas. I know this is something she want to do since kid but she never try (bc of her activity and the fact that this is expensive).

So I just want advice for pay her first "packaging" bc I dont know anything about. If you have a brand, a website, or something like that i take !

Just Im french and I live in France.

Thanks !