Backpack, travel...?

So I've purchased this backpack at amazon.com, it's the brand called Jansport, and I was wondering can I used that for camping, walking around city, etc? do you think it can fit my personal needs? do you think the bag might be too big? It's a superbreak pack btw, also I checked the review, the people said they liked it alot.

http://www.amazon.com/JanSport-Super-Break-Backpack-Bunny/dp/B000E3F210/ref=sr_1_11/104-2626986-1025503?ie=UTF8&s=hi&qid=1184695535&sr=8-11

I had that type of backpack while I was in high school and I loved it! JanSport is a very good brand and is very durable (I took my on several camping trips). I suppose it's the same size as any other backpack...so you should be able to fit all of your school supplies in it.