These sealing rings are specifically for the Trio and Trio Mini lid.
If you have misplaced your sealing ring, or have had any trouble with the one that came with your bottle, we have a replacement for you. Furthermore, we are happy to cover shipping on these important little pieces.
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For instructions on how to install the sealing ring, please click this link to watch our video: click here!
If you have any questions, or are interested in a sealing ring for your One or Duo lid, please reach out to us at thirsty@drinkbivo.com