If measurement identification card is attached additionally in the container of product where humidity protective Desi Pak is input, it is possible to check visually whether desicant is stil working and product is safe.
5 Plug(AEC 828596)
It must be that humidity, dust, corrosion while carrying and storing product should be cared extremely. But even if you know this principle, you cannot find exactly how the state of the inside of product package is before checking it by opening package.
HUMIDITY INDICATOR PLUG completely changed such an obsolete concept on packaging. It is possible to check product status in package from the outside without opening package and dryness of the inside against humidity infiltration.
Now you can confirm that your product is being preserved in safe and perfect condition only by seeing it.