Other Helinox Cot One LifeStraw is ideal for hiking, backpacking, camping, travel, and emergency preparedness. Its design lets you turn up to 4,000 liters of contaminated water into safe drinking water. Ultra-light, backpack and travel-friendly this straw filters water as you drink.Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)