It is safe. Dry vans are sizable, sealed containers that protect cargo from the elements while it is being transported. They are efficient at getting non-perishable commodities to their destination despite not being appropriate for perishables like fresh food or dairy. The cargo can also be carefully locked up from potential robbers because the trailer is enclosed.
It is widely available. Dry vans are one of the most common transportation methods. As a result, when customers need them, they almost always will find a dry van carrier for their needs.
It is affordable. Due to spread availability, the market offers a big pull of carriers. Shippers have the ability to find quality service for a good price.