These double-walled glasses in a purist design are highly functional: They keep your favorite hot beverage at temperature for longer while remaining comfortable to hold from the outside.Set of two.Double-walled borosilicate glass with vacuum insulation.Optimal temperature stability.Robust and durable.Easy to clean.Porsche lettering.Capacity: 300 ml. Two double-walled glasses with Porsche lettering. Capacity: approx. 300 ml. each. borosilicate glass