Klean kanteen classic 1900ml water bottle with loop cap description klean kanteen are keeping it fresh with new colours and a new 64oz 1900ml version of their best selling classic style bottle the bottle that launched klean kanteen 10 years ago now in more colours sizes and with improved caps this classic design is always a strong seller classics are the standard bearer of the klean kanteen line testament to the power of good design and a good idea they remain among klean kan