Officially Licensed Collegiate Products Leak-proof when lid is closed Made from kitchen-grade stainless steel Double-wall vacuum insulation Does not sweat BPA free DShow off your school colors with officially licensed drinkware Vacuum Insulated and vacuum insulated, which keeps your favorite beverage hot or cold for hours High-quality, food grade 18/8 stainless steel coated in a durable finish Exterior of inner wall, in vacuum sealed area, is coated in a thin layer of copper for added insulation