It's not 3 bottles, it's 3.4 oz or 100 ml.

isn't it whatever fits in a quart-sized ziploc? i presume that's where the other poster estimated "only 3 bottles."

	▲	terribleperson 2 hours ago \| parent [-]
		3-1-1 is an awful mnemonic, but it's basically: 3.4 oz containers in 1 1-quart ziplock bag.