Designed with a stainless steel outer and a plastic liner to help retain beverage temperatures and keep drinks fresh. Double wall construction keeps the interior piping hot while the exterior stays cool to the touch. Also prevents condensation from forming while filled with iced beverages. The twist-on plastic lid has a drink-thru spout with a flip-top closure that creates a tight seal. Features a rubber grip ring for a comfortable, reliable grip. Size: holds 16 ounces.