Papyrus  is a material similar to thick paper that was used in ancient times as a writing surface. 

It was made from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge Papyrus (plural: papyri or papyruses can also refer to a document written on sheets of such material, joined side by side and rolled up into a scroll, an early form of a book.A detail from the Papyrus of Ani, an Egyptian Book of the Dead. The god Thoth stands at the ready to inscribe the interrogation and judgement of Ani, who whose soul is being judged by the gods. The goddess Ammit stands behind Thoth, ready to consume the heart of Ani if he is judged unworthy.