This water filter straw can effectively remove bacteria from the water to provide clean, safe water. It is perfect for emergency outdoor leisure, camping, hiking, backpacking, etc. Features: Lightweight and compact emergency water filter system. It removes aqueous bacteria and parasites and reduces turbidity. Purify up to 5,000 liters of water, down to 0.01 microns. The soft hat protects the straw from dust and stains. Durable ABS material ensures a long service life. Ideal for outdoor activities, emergency preparedness, camping, hiking, backpacking, etc. Specifications:Color: Army Green/Grey/Green/Army Green & Green/Army Green & Grey/Grey & Green (Optional)Material: ABS + TPR + Silicone Dimension: 14*3.7cm / 5.5 * 1.4in Package Size: 14.5*9*6cm / 5.7*3.5 * 2.4in Weight: 120g / 4.2oz for each Package List:Straw Water FilterStraw Water Filter:Features:Portable Straw Water Purifier, Double Activated Carbon Filtration & Membrane Filter, effectively removes harmful substances in water. Each filter can purify 1500L of water before it needs to be replaced, with long service time, environmental protection and cost-effective. Made of food-grade ABS material, no odor, lightweight, strong, anti-aging, so you can drink with confidence. Equipped with a water bag, when you meet a water source with more impurities, you can use the bag to regulate the impurities first, refuse to block the sluice