Above is a great example of what I normally carried in the frame bag. A random piece of fruit or a small, light-weight, rain jacket are missing from the photo. Roughly a month ago I did a quick preview of the Banjo Brothers Frame Bag, which you can read over here. The bag has...
Banjo Brothers Bags
The bag isn't so big that you can overload and have too much gear on your back. You can stuff it, carry tons of beer or whatever else you may but it's right at 1100 cubic inches of space. Not too big, not too small.