Seamless paper patterns used as overlays in software like Photoshop, Procreate, or Affinity Photo to give digital art a tactile feel.
If you are looking for this specific "paper" set, it is likely one of the following: Set 04.zip
In the Affinity Forum , files named are linked to StuartRc's texture and brush libraries, which frequently include seamless paper overlays and digital stationery effects. Seamless paper patterns used as overlays in software