For those who want a superior industrial strength thermos, there is no better choice than this silver colored stainless steel one - the same thermos as the one in our Black Dome Lunch Box & Thermos. It is constructed of tough almost unbreakable stainless steel with vacuum insulation for maximum temperature retention - hot or cold. This thermos flask holds 500 ml. (about 1 pint) and is about 9" tall, and 3" in diameter at the base. Thermos also has a collapsible handle and a detachable shoulder strap for extra convenience. Shipping Weight: 3 lbs