nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq9ucagddkx870rq8e3exuh6c3gf62rqj9fd5pl625fn42ka4hpd3sm3z9f3 are they pre-moistened with some kind of solvent or are they just a kind of exotic fabric/paper?