For a non-insulated container, our Klean Kanteen does an okay job of keeping our drinks warm or cool, as the case may be. Still, for those those really hot or really cold days, we were happy to see that Built NY has come out with an insulated tote especially designed for the Kanteen.
Designed to fit both the 12-ounce and 18-ounce Kanteens, each tote insulates for up to four hours, folds up flat, and is machine washable. We're loving the tote's little snap-on-snap-off loop handle, handy for dangling off a stroller handle. Available in black, hot pink, and lagoon blue.
$8.99 at Oliebollen