Xuanzhou rice paper is mainly made of straw and sandalwood bark, but it is generally rare, and the real sandalwood bark is also very expensive. Usually, what you can tolerate is the calligraphy and painting paper with straw as the main material and no sandalwood skin.
Both have their own characteristics.
Xuan paper has a longer history and a larger output, but it needs to cut down trees that are more difficult to grow than bamboo, which destroys the environment and the price is very high, which makes people wonder how much sandalwood bark is. Jiajiang Xuan paper is more environmentally friendly and economical, but the price of its famous brand is also higher because the demand is not as good as that of Xuan paper.