What is BottleKeeper? Julia Sky November 21, 2017 21:02 Updated Follow Related articles What is the difference between BottleKeeper 1.0 and 2.0? How to insert neoprene in your BottleKeeper? How To Thread the Tethered Cap BottleKeeper care Does it hold liquids or can I use it as a water bottle? Comments 0 comments Article is closed for comments.