It sounds like you're referring to a file or album hosted on (a file-hosting/sharing site) with a name like "solid paper."
However, I can't browse live links or access external sites like bunkr.la. If you're looking for information about the content of that album — for example, whether it contains images of solid-colored paper textures, a PDF collection, or something else — you would need to download the files and check them yourself, or provide a description of what you expected it to be. bunkr.la album
If you meant something else — like a specific art project, a reference to "solid paper" in graphic design, or a request for safe alternatives — let me know and I’ll help clarify. It sounds like you're referring to a file