Thermos 3 liters with 20-hour heat retention, uses vacuum insulation technology tested in the laboratory, ensures that hot drinks stay warm up to 20 hours and cold drinks stay cold up to 36 hours. Food grade stainless steel and BPA-free lid both inside and outside this thermal jug are made of high quality stainless steel, which guarantees durability and easy cleaning. We are Physical Shop, Multicenter Local Sabana 15 and 16 2nd Floor