It means it contains more water.
The root word for moister is "moist."
The adjective "moister" means more moist (e.g. a moister environment).Similar words include the nouns moisture (liquid water) and monster (creature).
Applesauce will make a moister cake.
Both "more moist" and "moister" appear to be accepted, though "moister" sounds much like "moisture".
water
Humidity
* Moister * Roister * Boister
The comparative form of "moist" is "moister." You can also use "more moist" as an alternative, though "moister" is more commonly used in everyday language.
Because it was moister
moister, moistest
it happens because what ever item you have in the bag has/had moister in it so after time the moister tries to evaporate but it cant because of the bag so it turns into condensation
One of the best ways to control or eliminate insects in general is to control the moisture that is attracting them. Check for moister problems and eliminate those first. Then control moister with a dehumidifier.