Waterproofing materials include resin, pyridinium or melamine complexes, polyurethane, acrylic, fluorine or Teflon. Cotton, wool, nylon or other artificial fabrics are given a coating of resin to make them waterproof.
coated in
resin
Nylon
ideas
bag
coat
use
where
outside
who
the user
why
so that the rain doesnt affect the insides and so that the user is visible
how
this product would be used to see people in the dark while its raining