This is the cover of a traditional Chinese thread-bound book. The cover is dark blue with a white vertical title label (tiqian) pasted on the left side. On the far right, the white binding threads are visible, showing a traditional four-hole stitching pattern.

Five Hundred Stone Cave-Heaven Feather-Duster original: "五百石洞天揮塵". "Cave-Heaven" (dongtian) refers to a Taoist sanctuary; "Feather-Duster" (huichen) refers to the whisk used by scholars to clear away distractions.