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 products that promote a safe and healthly lifestyle.Technology matters, quality matters, safety matters.These new coolers provide superior temperature retention performance through IsoTec insulation using a multi-layered insulation structure consisting of a layer of dense, closed cell polyethylene foam positioned between a rugged outer layer of textile and an additional moisture repellant heat-sealed PEVA lining.Thank you for choosing Thermos and we're show you'll enjoy your purchase.