8 things that has to be in every student bag

What should be in every senior's schoolbag?

Which things can't be missed in your bag?

There are a couple of things which are variable in my backpack. Like my books and my lunch.

But there are a couple of consistant things in my bag, what should be always in every student bag!

1. Your map with notes. I keep all my notes (and small assignments) in one map, all my notes from every class. And I will always carry that map. So I got always my notes I took in class with me, so if I have nothing to do, I can always look at that!
2. A pencil, or so you can underline your notes, or things in your books, which your hopefully carrying with you.
3. Agenda/diary, to set all your deadlines, know what you have to do and when you have to do it. You can also put something like your grades in it, or adresses, random notes/quotes. I actually don't use it. But it is in my backpack, all the time.
4. A pen, of course, you can use the pencil for everything. But I prefer the colour blue above grey. And it writes easier, and clearer.
5. Bottle of water, or just an empty bottle, which you can fill. But keep yourself hydrated, and you can concentrate better in class.
6. In this time of the year (winter on the northern hemisphere), some kind of lipsalve. Else you get bursted lips, what nobody wants!
7. Your earphones, for your iPod or telephone, so IF you recorded some notes you can always listen to it. Or just listen to some normal music, if you don't want to do something all the time.
8. A notebook. I just got an A4 notebook, where I write all my ideas in. If you are having a creative moment, capture it and put it down, so you won't forget. What I also do is taking a paper from it, and make some small cards from it. That is where I write my todo's on. This notebook can't be missed from my bag.

So, now you know the content of my bag, what about yours? Share it in the comments!