Asobu Coldbrew Portable Cold Brew Coffee Maker 40oz is first of its kind taking cold brew to the next level. Cold brew on the go is a portable and vacuum insulated way to brew coffee. Cold brew is the next generation of your typical iced coffee. Using hot water on your coffee granules creates a more acidic bitter drink while no having heat in the process and allowing it to steep as with the Asobu cold brew creates 80% lower acidity, deeper, smoother, and naturally sweet taste with that extra punch of caffeine. Not having any heat in the process also preserves antioxidants making the cold brew coffee a healthier choice. Asobu portable 2 in one cold brewer is the only brewer that doesn’t need to be refrigerator making it the most convenient option. The brewing carafe is constructed from Bpa free non-breakable tritan with a reusable and easy to clean 18/8 rust-free superfine double wall stainless steel mesh to give the purest brew. The take on the go 40oz mug is made with copper double walled vacuum insulation so your brew will keep cold and hot for hours. Asobu Brewer hold 6 servings and can be left in the fridge for up to 2 weeks and still have be a fresh concentrate. Simple to use. Fill the mesh with 2-3 ounce of your standard medium course coffee granules. Pour over the coffee grinds in a circular motion cold filtered water. Do this three times. Come back 12 hours later to delicious silky rich tasting coffee. Press the release button to have your brew easily transferred from the brewer to the serving vacuum insulated stainless steel carafe. Add some ice cubes and milk or cream and voilà your coffee is ready in a 100% spill proof mug for a full work day or a 24 hour road trip Tea lovers we haven’t forgotten about you! Our fine mesh works amazing with loose leaf tea as well so you too can enjoy a nice hot cup of steeped tea on the go. Still prefer that pour over hot coffee this Asobu portable brewer can have your hot coffee made in just three minutes.