Klean kanteen classic 532ml water bottle with loop cap brush stainless description the originalin stainless steel water bottle in 2002 we unveiled a 27oz klean kanteen classic the original 188 stainless bottle designed to be the healthy alternative to polycarbonate and lined aluminum reusable bottles from the onset free of bpa phthalates lead or other toxins today our classic line continues to be revered by many for its iconic place in history and for its durability and prolonge