Handmade Stalactite porcelain mug in shades of blue, grey and white. Great for coffee/tea or whatever your heart may desire, whether underground or otherwise. Height: 5 inches / 13 cm Width: 6.5 inches / 17 cm Volume: 500ML or 2 cups Each of our handmade mugs is expertly crafted on the pottery wheel and fired to 1220°C/2232°F (Cone 6), ensuring increased durability. No two mugs are exactly alike, with each featuring its own unique shape and surface design. Enjoy your favourite beverage with a one-of-a-kind piece of art. The mug is watertight, but we request that you please hand wash it only to maintain its exterior veneer as best as possible.