Consumers should immediately stop using the recalled caps and contact Klean Kanteen to receive a free replacement cap. Consumers will be sent an envelope for returning the recalled cap. For more information, consumers may contact Klean Kanteen by phone at 1-877-546-9063 or by visiting Klean Kanteen's recall webpage . Consumers may view the release by the US CPSC on the Commission's website . Date modified: 2010-05-05