Copying Buddhist sutras (scriptures that contain the teachings of Buddha) is part of devotional practice that combines worship, literature, and calligraphy. Wealthy patrons would pay artisans to copy sutras, purchasing high quality products and materials as part of their devotion and piety.
Indigo is a cherished dye, and paper would be dipped in the dye numerous times to create a deep blue backdrop for metallic inks. Indigo is also a natural insect repellent and strengthens the paper. The Lotus Sutra is one of the best-known Buddhist scriptures, influencing several schools of Buddhism.