Quite often, doors are closed on containers, even though there are still damp areas inside. It causes rust in the container and it causes damage to electronic equipment. AbsorTop is a water absorber with a high ability to actively remove moisture from the air in the container. It is a plastic item with calcium chloride inside, and you place it the corrugations in the container side. AbsorTop can be activated and deactivated when needed. Once moisture is absorbed from the air, the water will stay in AbsorTop. AbsorTop is used among other places in containers for transporting water load bags used for testing offshore cranes.