GESS Outdoor Camping Hiking Water PurifiersCamouflage Safe Water Drink Straw99.99999% Water Filter Purifier Kit Designed to provide you with safe, clean drinking water in any situation 7" long and weighs only 1.65 oz which is convenient to carry and keep Contains NO chemicals Removes 99.99999% bacteria, parasites Contains NO chemicals Reduces turbidity by filtering particles of 15 microns