Esbit Vacuum Flasks.
Keep your beverages hot or cool all day long with the Esbit Vacuum Flasks. The inner body is silver-coated to increase heat preservation. It is included with the bottle outer lid that can be used as a cup with an extra cup that fits inside of the lid. The Vacuum Flask is made of high quality stainless steel and it is double-walled for better insulation. Performance tests of the flask indicates that a bottle filled with 208 degree F water in a 68 degree F environment will have temperature greater than 176 degrees F after 6 hours and greater than 140 degrees F after 12 hours. You must wash before use. The Flask weighs 16.40 oz., is 8.85 in. x 3.54 in. with a textured matte black finish. The Esbit Vacuum Flasks is perfect for keeping your beverages warm on the trail, in the office, or for school lunches.