The Red Graduation Cap Visa Gift Card features an image symbolic of knowledge since the Middle Ages. The caps were first worn by professors to denote their higher knowledge, and later came to be worn by university students at graduation ceremonies. The red color symbolizes the blood of life. The mortar board name derives from the flat board masons still use to carry mortar. The symbolism is fitting, as education builds the foundation for a successful working life. Honor your graduating friends with Red Graduation Cap Visa Gift Cards.