What materials/clothing/objects are intensely marine absorbant? things resembling sponge, cotton, hemp, etc.?
Answers: Terrycloth, cotton and fabrics made of natural fibers, any giving of paper. Basically, anything made out of natural fibers is leaky. Things made out of man made fibers tend not to be absorbent, for the most part. Good luck!
flannel, tabloid, manila paper, tissue paper etc..