The document describes a blast containment system called the Vorsphere produced by Airolusion Ltd. The Vorsphere aims to contain explosive devices and detonations to prevent injury and allow safe removal. It is a portable, reusable, lightweight containment unit that can hold explosive blasts over 8kg and directs the blast upwards harmlessly. The document provides details on its operation, capabilities, limitations, criteria for selection, costs, demonstrations and the limited number of alternative suppliers.