Which innovative packaging design was first introduced in the 1st century CE specifically to improve accessibility and preservation of religious texts?

Religious texts and philosophical works have evolved significantly in their packaging and presentation over centuries. From ancient scrolls to modern digital formats, publishers have continuously innovated to make these profound works more accessible while maintaining their reverence. This poll explores how product packaging in the religious and philosophical publishing industry has evolved to meet both spiritual needs and consumer expectations in different eras.

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The codex format (bound book with separate pages)
Illuminated manuscripts with gold leaf protection
Cloth-wrapped scroll cases with humidity control
Wax-sealed clay tablet containers