Our Sugar Skulls Mega Mug 40OZ is the perfect way to hydrate in style. Featuring vibrant sugar skulls and flower crowns, this mug brings the party spirit of Día de los Muertos all night long. The print even glows-in-the-dark after brief exposure to light. With a 40oz capacity and convenient features like a cup holder-friendly frame and a silicone flexi-tip straw, this insulated mug is sure to become your new favorite Swig.