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Crown Caps with Oxy-Liner, Cold Activated, ~150 Count


These innovative cold-activated caps change color when you chill a beer down, letting you know it's the primo temperature to drink. The cap starts to change color around 47F, and is completely blue at 41F. Each cap has an oxygen absorbent liner that helps give the beer a longer shelf life

This is a bag of about 150 caps, which is enough for about three 5-gallon batches.