These ones?

http://www.amazon.com/gp/aw/d/B003UEH9W0?cache=ebd2a4bda6a6b4fe1372a7de085e2c1d#ref=mp_s_a_1_4&qid=1392047481&sr=1-4

Those are the "snack" size... about 1/2 the size of a regular bag. If you mean smaller then that just search "parts bags".