A shopping writer reviews the Owala water bottle, which she says is better than the Stanley tumbler in every way. Shop the ...

Metal: Stainless steel and aluminum are the best choices for metal 1-gallon water bottles. Stainless steel is a great insulator and keeps drinks frosty cold for hours.

For a complete list of all available pledges, stretch goals, extra media and full specifications for the smart 1 gallon water bottle, jump over to the official Ghydion crowd funding campaign page ...