Thin printing paper, maximum of 50 gm2, opaque. It is intended specially for use in deluxe productions; e.g. bibles, dictionaries and high quality publicity productions. Bible paper indicates a paper containing at least 25% rag.
Woodfree, sometimes rag-containing specialty printing paper with a low grammage, mostly with a high filler content.
Thicker than India paper, but still much thinner than common book papers.