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Title: Love the product overall but problem with noisy sports cap
Review: I highly recommend Klean Kanteens overall. I have several of them. I do suggest getting the insulated sleeves to protect them and to keep the items hot/cold. My only concern is that the sports cap that came with this product makes a really strange noise when you drink out of it...king of a loud squeaking sound. It clearly is not sealing right, so am asking Klean Kanteen for a replacement. Never had that problem before but would be good to know if other have had this recently.
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