Dualit Stainless Steel Coffee Mug is Cool to hold Cool to the touch Cool to have. Simply Cool to own. The Dualit Cool Wall coffee cup range is constructed from high quality 304 grad stainless steel using a double wall for heat retention with cool touch handles. The Cool Wall Cappuccino is packed in single units. 2 Cups & Saucers per set Double wall for heat retention with cool touch handles.