Some people attribute this to the fact that the wallpaper was so expensive, leading craftsmen to carefully mount it on canvas for protection against damp and to facilitate movement and reuse.
也有人認為，這是因為當時中國壁紙昂貴，所以在上牆之前，工匠會先將之小心裱褙在帆布上，一來防潮固強，二來將來也可移動或再使用。