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| The Klean Kanteen Sippy Adapter is made from safe, non-leaching polypropylene (pp#5). The adapter is made to convert both 12oz and 18oz Klean Kanteen bottles to a sippy cup. Avent spouts are sold separately. |
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| The Klean Kanteen Sippy Adapter is made from safe, non-leaching polypropylene (pp#5). The adapter is made to convert both 12oz and 18oz Klean Kanteen bottles to a sippy cup. Avent spouts are sold separately. |
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