- A Rumble Jar Go brewing system
- 1x bag of your chosen roast
- A brew guide with complete instructions
The Rumble Jar Go is my favorite way to make cold brew from anywhere. You can use almost any water bottle that you already have and craft the perfect cold brew in your own home or on the road! It's simple, compact & makes a delicious cold coffee. I make mine and then add a splash of oat milk for the best midday pick-me-up.