Cold Activated Beer Bottle Crown Caps - 144ct - with Oxy-Liner
Cold Activated Beer Bottle Crown Caps - 144ct - with Oxy-Liner. Crowns start to change to blue at 46.4 degrees and at 41 degrees they are at their maximum blue tonality indication. When the brew is cold a foam head appears along with READY TO DRINK. Very Cool! Quality beer bottle crown cap. 26mm crowns to fit our 12oz and 22oz beer bottles and most other American pry top beer bottles. Also fits our champagne bottles and our 187ml soda pop bottles. The Oxy-Liner contains an oxygen scavenging agent and helps to prevent oxidation.