Handmade wheel thrown ceramic mug.  Various shades of blue and black throughout.  Matte black at the bottom of the cup is raw clay.Handcrafted to be food safe, dishwasher safe and microwave safe.  Approximately 3 ½" (8.9cm) wide at the top by 4 ¼" tall (10.8cm).  Holds about 15 fl.oz.