Container seals are 'once-in-a-lifetime door locks' that are used to keep goods containers secure. Only one seal-lock can be used at a time. Heavy-duty container seals are built to withstand the elements and last the duration of the container's journey until it is delivered to the customer. g the best packing solutions for all of your valuables, including box lining and product wrapping. We provide high-quality products while also ensuring their safety and security.