Many people think this is reminiscent of layers of earth containing gold and violet hues. It's one of our all-time favorite patterns created (with magic) from the image of an African Violet! Our ceramic coffee mugs are available in two sizes: 11 oz. and 15 oz. Each mug is dishwasher and microwave safe. Sip your morning coffee in a cup of Earthly Purple One beauty! It's sure to make every day feel like a treasure hunt as you search for hidden gems in the comfort of your own home.