A:AnswerThe Harry Potter stickers can be used on whatever surface is preferred. We'd recommend using special care if you choose to place it on your bottle as it could get worn down or peel over time from washing.
A:Answerit has a little HP symbol on the other side near the top. It also comes with an additional sticker that you can add if you choose. The image I added shows a better look at the symbol that is on it.
