NWT on both mugs Seafoam green mermaid colored starbucks mug set. 12 fluid ounces each Iridescence coloring with a seafoam colored base streaked with a silvery white color to give it a marbled look. Microwave and dishwasher safe. Why own one mug when you can own a set! Reasonable offers welcome! Willing to make a great deal if you bundle with the other 2 identical mugs in my shop so you can get a 4 pack!