★ Instant refreshing water: no more waiting for water to boil. Immediately make clean drinking water with our water filtering straw kit. Ready-to-use, small and lightweight, take this kit anywhere and drink away, saving you time lost researching water quality and filtering techniques ★ Extremely safe to use with peace of mind: removes over 99.999% of bacteria, protozoa and most viruses. Water filtering has never been so effective, removing toxic elements with ultrafiltration ★ Reliability: 5 year lifespan - attach your straw to bottles, the water bladder, use directly at water source. Easy and convenient pure water on the move