Question

which changes do you notice in leather articles and gunny bags during the rainy season ?

Answer 1

leather articles got a deposition of fungus on them

while gunny bags absorb water

Answer 2

Any of the leather material during the monsoon reason started to get the deposition of fungus whereas the gunny bags started to absorb the water that ruins all the components of the bag.

There are fungal spores in the air that can easily grow on leather shoes, bags, belt and even clothes.