The express shipment was formerly known as express delivery or express letter. For express delivery, the express letter is delivered within a very short time and does not usually take more than 24 hours to be delivered. An express shipment is not the normal shipping route but is brought to your destination by special couriers. Many companies guarantee that all express shipments reach the recipient within 24 hours of the task, and some even offer timely delivery at a predetermined time. This is of course associated with additional logistics, and so can the express delivery not be offered for the same price as a normal shipping.