Features: 0.01 micron hollow-fiber UF membrane removes 99.9999% of waterborne particles and impurities, providing safe clear drinking water. Attaches to the included drinking pouch, or use the straw to drink directly from water source, also fits water bottle with 28mm threads. Mini size fits in the palm and weighs just 1.7 ounces, made from durable ABS material to ensure long service life. Filter rated up to 5000L. Full package includes a mini filter straw, drinking pouch, extension tube, and cleaning syringe. Perfect for outdoor adventure, emergency preparedness, camping, hiking, backpacking, traveling, survival, etc. Specifications: Material: BPA-free ABS Applied Temperature: 32~90 Pores Size: Min. 0.01 microns Straw Dimension: 3.6 * 14.8cm / 1.4 * 5.8in Straw Weight: 49g / 1.7oz Water Bladder: 12 * 26.2cm / 4.7 * 10.3in Bladder Weight: 25g / 0.9oz Package List: 1 * Water Filter Straw 1 * Drinking Pouch 1 * Extension Tube 1 * Cleaning Syringe