The term is often applied to edible or decorative skulls made (usually with molds) from either sugar (called Alfeñiques) or clay, used in the Mexican celebration of the Day of the Dead () and the Roman Catholic holiday All Souls' Day. Calavera can also refer to any artistic representations of skulls or skeletons, such as those in the prints of José Guadalupe Posada, or to gifts or treats in relation to the Day of the Dead.
The term "calavera" is a broad term that encompasses both edible or decorative skulls made from sugar (Alfeñiques) or clay, used for celebrations of Día de los Muertos and All Souls' Day. It can also refer to artistic representations of skulls and skeletons, like those found in José Guadalupe Posada's prints, and even gifts associated with the holiday.