SOS Emergency Water Pouches Survival Kits for Disaster Supplies, 5 Year Shelf Life - Case of 48 Emergency Purified Drinking Water - 48 pack (125ml/pk) Coast guard and Transport Canada approved. Purified and bacteria free. 5 year shelf life. Ideal for hiking, camping and boating. Survival kits. Can withstand temperatures ranging from -40 F to 230 F