Rumble Go: Portable Cold Brew Coffee Maker, includes 34oz Insulated Bottle

The Rumble Go filter, plus a custom 34oz insulated bottle. This portable cold brew kit features our universal Rumble Go filter paired with a powder blue 34oz insulated bottle. In case you need a compatible bottle to complete your Rumble Go portable brew kit, this option is for you. It also makes a great gift for any cold brew fan who travels or spends lots of time outside.  Rumble Go filter: If you're looking for a dead simple way to make coffee outside your home, the extendable Rumble Go filter is it. Its universal design makes it compatible with a wide range of popular 16-32oz wide-mouth water bottles (including our very own 34oz bottle). Brewing coffee away from home doesn't get any easier: just add coffee grounds, pour in cold or lukewarm water, give it a quick "rumble" and your coffee is brewing! See why it was recommended by Outside Magazine and Wall Street Journal. 34oz Insulated Bottle: This insulated bottle is made from 18/8 stainless steel and features a leak-proof flip cap.