Portable Cold Coffee Brewing Machine with Thermos (1 liter) Asobu Portable Cold Coffee Brewing Machine with Thermos (1 liter) 34oz is the first of its kind. Asobu has taken cold brew to the next level. The Asobu thermos portable cold coffee brewer stands out as the only brewing machine that does not require a cooler. The brewing carafe is made of 100% Bpa-free unbreakable Tritan with a reusable and easy-to-clean 18/8 stainless steel mesh to brew the purest and smoothest coffee. The 34 oz (1 liter) thermos is made with copper double-wall vacuum insulation. So your coffee stays cold or hot for hours. With a 6 serving capacity, your brew will still retain the same wonderful, rich and fresh taste even if left in the refrigerator for up to 2 weeks. Tea lovers, we haven't forgotten you! Your loose leaf tea will also brew wonderfully in our neat percolator. So you can enjoy a cup of well-brewed tea on the go. Product Features: • Material: Stainless Steel / Tritan • 100% BPA-Free Materials • Hand Wash Only • Spill Resistant