Now you can make barista-quality cold brew coffee in your own home. Rumble Jar was recognized as a Kickstarter Project of the Year in 2018 for its design of a high-quality cold brew coffee maker that works in tandem with the classic Mason jar.

This 4-piece brew kit is all the equipment you need to make professional-grade cold brew coffee right at home. Just take your favorite coffee beans, grind them coarsely, add water and give it a rumble. Total prep time takes less than a minute, and by the morning you'll have delicious cold brew coffee ready to drink.

Includes:  32oz Wide-Mouth Mason Jar 18/8 Stainless Steel Cold Brew Filter Food-Grade Silicone Cap (Orangey-Red color) Cotton Sock (included as an optional 2nd stage filter)