Description:Survival water drinking straw, the world's best mini (pen size), lightweight and mobile (easy to carry), is the safest self-contained survival drinking tool for outdoor use. Can turn river water, rainwater, lake water and other types of water from nature into direct drinking water!!! Features: SURVIVAL DRINKING FILTER STRAW: The survival straw design is ideal for purifying water from rivers, streams, lakes, ponds, valleys and other contaminated sources. A must-have for any outdoor traveler!!! It can save your life and refresh you again in many unresolved conditions!!! GIVE THEM SOME LIFE-SAVING WATER: Don't discount such a small piece of equipment, it can bring you back to life in various harsh conditions! Even for long-term travel, this tool can help you continue the whole journey. Small but powerful! MAIN CLEANINGFilters up to 1000 liters of contaminated water without iodine, chlorine or other chemicals. Does not require batteries and has no moving parts. Unlike many similar filters on the market today, Our Rescue Straw removes at least 99.9999% of aquatic bacteria and 99.9% of aquatic protozoan parasites, and filters down to 0.2 microns. APPLICATION: Perfect for outdoor travel, sports, fitness, emergencies, rescue, outdoor exploration, combat, mining, picnics, hiking, hunting, couting and emergency preparedness, etc. Features:1. Special features: Four-stage filtration system! The water filter contains no chemicals, no batteries and no moving parts that can wear out.2. Quench your thirst quickly: It features a high flow rate3. Convenient to use: put in water and drink right away!4. The safest: eliminate bacteria and viruses, can account for 99.99%5. Size: 22.5 * 3CM Use method:1. Take water by mouth, suck it or wring it out after use. Put the lid back on2. Life spam: can purify up to 1000 liters of water. After reaching the end of life, the straw is blocked Warm tips:Please spit out the first water you have absorbedPlease do not collect salt water or chemically polluted waterDo not microwaveTry to choose water with less trapping for longer life Package Contents:1 x Filter Straw1 x Syringe1 x Mountaineering Buckle