The Zone Singles thermos mug from Zone Denmark is an elegant porcelain mug replete with soft shapes and smooth lines. The mugs can be stacked on top of one another to make storage simple and tidy. Use the pair of mugs to enjoy steaming cups of tea, freshly brewed coffee, or sumptuous hot chocolates. Their thermos construction ensures that hot drinks stay warm and cold drinks cool — perfect for picnics and excursions!