Starbucks Coffee Northern Ireland 16 oz Coffee Mug Tea Cup 2015 Collector Series. This mug is beautifully detailed with Northern Ireland's iconic Giant's Causeway in browns, golds, and tans with spring green lettering. The Giant's Causeway is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic fissure eruption. It is located in County Antrim on the north coast of Northern Ireland, about three miles northeast of the town of Bushmills. It was declared a World Heritage Site by UNESCO in 1986 and a national nature reserve by the Department of the Environment for Northern Ireland in 1987. The Giant's Causeway was named the fourth-greatest natural wonder in the United Kingdom. Capacity to hold 16 fluid ounces of your favorite hot or cold beverage. Measures approximately 4" high x 5" wide (with handle) 3-1/2" diameter. Microwave and dishwasher safe. Mug is sold in excellent condition and will be gently handled and carefully packaged for shipment. Own a piece of Starbucks history, representing beautiful Northern Ireland. Rest assured, mugs will be packaged and wrapped with exceptional care. Ireland, Giant's Causeway, Northern Ireland, Starbucks, Antrim, Bushmills, Coffee, Hot Tea