Survival Water-Filtering Straw

No matter where you are camping or hiking, take this convenient straw with you. Features: To use: Just open the caps, insert the bottom end into the water source and sip filtered water through the mouthpiece After use: blow through the straw to expel dirty water and flush the filter membrane Removes 99.99% of waterborne bacteria and protozoan parasites Filters up to 1000 liters of contaminated water without chemicals Lightweight: Only 3 oz., easy to carry around anywhere Fabric/Material: Plastic Dimensions: 2.0 inches (H) x 2.0 inches (W) x 2.0 inches (L) Weight: 2.0 ounces