Portable water purifier kit to help you easily access healthy and drinking water outdoors. Features: Portable straw water purifier, double activated carbon filtration and membrane filter, effectively remove harmful substances in the 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 straw. Equipped with a back pad, it can be used to wash the filter elements and extend the service time of the filter straw. Widely used, can be used for outdoor camping, traveling, hiking, backpacking, fishing, wild survival, adventure, etc. Specifications:Color: BlueMaterial: ABS Filtration Accuracy: 0.1 micronsFiltration Capacity: 1500L Product Size: 210*25*25mm/ 8.3*1.0*1.0inProduct Weight: 90g/ 3.2oz Packing List:1 * Water Filter Straw1 * Water Bag1 * Backwashr1 * Extension Tube1 * Carabiner1 * Lanyard