No more crappy flasks! Made of high quality stainless steel. Each flask contains two drinking mugs, one is the traditional lid and the other is a little orange plastic cup that sits inside the lid. Great heat preservation capability. Choose from two closures. Closure with pouring function or screw plug. Powder coated for a good grip.   Height: 180mm Weight: 330g Capacity: 350ml Water fill temperature: 98degrees celsius Ambient temperature: 20degrees celsius Heat retention after 6hr: 70degrees celsius Heat retention after 24hrs: 40degrees celsius