Esbit Stainless Steel Vacuum Flask 0.35L Black Made of high-quality stainless steel - Double-walled - 2 drinking mugs - 2 screw plugs - with and without push button for pouring function - Coated inner body for especially good heat preservation Size packed: ~ H 180 x 79 mm Weight: ~ 330 g Volume: ~ 350 ml Water filling temperature: ~ 98 C Environment temperature: ~ 20 C 2 C Heat preservation cap. after 6 hrs: ~ 70 C Heat preservation cap. after 12 hrs: ~ 55 C Heat preservation cap. after 24 hrs: ~ 40 C