Bagginses Mod 1 7 10, 1 7 2
So, you want some more bags huh? I've got you covered. 2 Tiers of bags in 16(!) different colors at your disposal. And also a portable trash can bag. Put stuff in it, and it will disappear.
Check the config on how to whitelist/toggle bags.
Download Bagginses Mod 1.7.10, 1.7.2