Originally Posted by bomber60015
Sadly, I do not know of a test thay might not destroy the material you are interested in saving ;-}
I'll keep that in mind when I pack anything in these. There's a weight limit label specifying 5 lbs in each bag, so I know nothing heavy is going in them.
I bought some Kiwi leather dye today. Nice and cheap, and they stocked it in the local supermarket. Just gotta wash the bags before applying.