isn't it whatever fits in a quart-sized ziploc? i presume that's where the other poster estimated "only 3 bottles."
3-1-1 is an awful mnemonic, but it's basically: 3.4 oz containers in 1 1-quart ziplock bag.
alt Hacker News
3-1-1 is an awful mnemonic, but it's basically: 3.4 oz containers in 1 1-quart ziplock bag.