Help with Ringtone

[skykwng]

Just want to ask everyone for some help please, I have a ring tone on my iPhone (custom) my girlfriends wants to use it on her iPhone, but i can't transfer it to her iPhone from my MBP cause it hasn't been synced with my MBP, I don't want to erase her phone just for the ringtone, and i currently can't send it to her original computer that her phone was synced with cause that laptop on the other side of the world, is there any way i can give her the ring tone she wants with out erasing her phone and syncing t with my MBP

Thanks for the help guys well appreciate it

Sky