Each Original kit contains two 8oz (.237 liter) and one 16oz (.473 liter) easy filling, heavy duty, collapsible flasks and one funnel. The Flasks are made of durable, puncture resistant, odor proof and taste proof clear polyester and have our signature Pirate Label on them.Our Flasks stand up when filled and are flat and can be rolled up and put in your pocket when empty. Flasks have positive seal spouts are freezable and perfect for any liquid. The Rum Runner FlasksTM are non-metallic, undetectable and ideal for concerts, stadium events, sports fans, air travelers, golfers, hikers, hunters and skiers.