This water filter straw can effectively remove the bacteria in the water to provide clean, safe water. It is perfect for outdoor emergency, camping, hiking, backpacking, etc. Features: Lightweight and compact emergency water filter system. Removes waterborne bacteria and parasites, and reduces turbidity. Purify up to 5,000 liters of water, down to 0.01 microns. Soft cap protects the straw free from dust and stains. Durable ABS material ensures long service life. Perfect for outdoor adventure, emergency preparedness, camping, hiking, backpacking, etc. Specifications: Material: ABS + TPR + Silicone Color: Army green / Grey / Green (optional) Dimension: 14 * 3.7cm / 5.5 * 1.4in Package Size: 14.5 * 9 * 6cm / 5.7 * 3.5 * 2.4in Weight: 120g / 4.2oz Package List: 1 * Water Filter Straw