Overnight Shipping is certain delivery of bundle or letter for the day following your shipment date. Overnight shipping is a method of shipping a package in order that it is shipped overnight and sent to its destination. Overnight shipping services have increased the speed through which we deliver personal packages and organization packages. This way of shipping allows people and businesses to meet up with tight deadlines as well as conduct business additional quickly and effectively. The following products are shipped overnight: Frozen Food, Documents, Retail Merchandise, Flowers, Repair Parts, Gifts etc.