Sugar Skull Mug Beautifully detailed ceramic Sugar Skull Mug. Boxed and ready for gifting. Add to your sugar skull collection with this white and black coffee mug! This skull shaped ceramic mug features ornate sugar skull details on the front, back and handle. The perfect receptacle for your hot morning cup of joe, this also makes a great windowsill planter! Reminiscent of the sugar skulls of the Mexican holiday Dia de Los Muertos (Day of the Dead)