This document discusses third party logistics (3PL). It defines logistics and supply chain management, explaining that 3PL involves outsourcing elements of distribution, warehousing, and other supply chain services. The main types of 3PL are warehousing, transportation, distribution, and shipping/receiving. Outsourcing can be transactional, tactical, or strategic based on the length of contracts and integration between companies. Using 3PL provides benefits like scalability and leveraging expertise, but also risks like hidden fees and less control over processes.