Oxygen Barrier Crown Bottle Caps for Pry-Off Bottling.
O.B. Caps act as a barrier to external contamination such as odor and oxygen.
Oxygen Scavenger Crown Bottle Caps for Pry-Off Bottling.
OS Caps absorb the remaining oxygen in the neck of the bottle, increasing freshness and shelf life.
Crown bottle caps for pry-off or twist-off bottling.