Reviewed October 6, 2026. A current official bat-koozie giveaway has not been confirmed. The previous claim link was invalid; it did not lead to a working Dunkin’ promotion.

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Dunkin’s September 30 Halloween announcement lists other October offers but does not confirm the reported October 16 bat koozie or Berry Battie beverage offer. Participating locations, purchase requirements and giveaway limits remain unverified. Do not plan a purchase based on the earlier instructions.

This listing is withheld from current freebies until its complete offer terms can be confirmed.

Read Dunkin’s Halloween announcement

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