At its simplest, logistics is the art of getting a product from A to B. When it comes to the pharmaceutical cold chain, however, nothing is ever this simple. Factor in the high value of pharmaceutical goods, their perishable nature and susceptibility to temperature changes, the urgency of demands from healthcare practitioners to meet patient care and the numerous (often uncontrollable) complexities of the supply chain, the reality is more like getting from A to Z. Secure transit packaging is crucial to protect temperature critical pharmaceutical deliveries. Martin Hawes at Tower Cold Chain, explains how solutions that are built to last mean that some are still in active use after 15 years.