GESS 5 PCS 99.99999% Camouflage Safe Water Drink Straw Emergency Water Filter Purifier Kit Designed to provide you with safe, clean drinking water in any situation Reduces turbidity by filtering particles of 15 microns Removes 99.99999% bacteria, parasites 7" long and weighs only 1.65 oz which is convenient to carry and keep Contains NO chemicals Contains NO chemicals