The British slurp their way through 100 Million cups of tea a day. Whether you\'re on the trail or commuting to the daily grind, we all like a brew. Our Thermal mug is the perfect solution, with it\'s 300ml capacity and ability to keep hot drinks hot for 6 hours and cold drinks cold for 12 hours, it\'s the perfect solution to curb your thirst. It has vacuum insulated walls and strengthened seals to ensure it won\'t leak. It features OS\' iconic contour design - perfect for your next walkabout.