The Thirst Aid bag is a combination of the Aquapure Traveller & the Armoured Reservoir. The resulting bag is very simple but very effective at purifying water. Manufcatured from Arnour Weave, the bag is extremely hard wearing & durable, incredibly resistant to tears & punctures. The Aquapure filter cap strips out contaminants & pathogens, bacteria & viruses; it also removes sediment, reduces heavy metals & leaves the water odourless & palatable.