Specification： Product Category: Survival Tool Color: gray, black, army green Material: ABS NW: 52g Features: Lightweight and compact emergency water filtration system to remove water-based bacteria and parasites and reduce turbidity Purify up to 5,000 liters of water (down to 0.01 microns). The soft toe protects the straw from dust and stains. Durable ABS material ensures long service life. Very suitable for outdoor adventure, emergency preparation, camping, hiking, trekking, etc. Packing list: 1 *Water filter straw