Thermos products deliver what matters every time. As the leading manufacturer of convenient insulated products for over 100 years, Thermos is trusted by consumers to provide innovative portable containers that promote a safe and healthy lifestyle. Thermos delivers when it matters.Why Thermos?Thermos brand products offer superior cold retention that keeps beverages cool and delicious for hours, and the 12 ounce FUNtainer Straw Bottle is no exception.Thermos vacuum insulation technology virtually eliminates temperature change within the beverage container by creating an airless space between two stainless steel walls.