Product Description material: plastic Size: 21*2.5CM Quantity: 1pcs Package content: 1* Emergency Survival Drinking Water Filter 1.Our Solutions For Life water filter straw is a camping gear and equipment with 4-step filtration. Hollow Fiber Membrane provide a blockage to suspended solids and create extensive membrane filtration space. The elastic strength of the membrane can get rid of up to tiny matters from raw water. 2.The Proof Is In The Filter: PP Cotton wipe out small materials such as various adverse grains. Activated Carbon helps clean out all kind of dirts & enhance water taste. To further ensure the cleanliness of water straight from our camping gear water filter straw. Active Adsorption Technology are used to absorb tiny component from water, also keep away from risky elements. 3.Extra Trust In Every DropThis camping essentials water filter provides of clean and safe drinking water. Compare with other camping equipment, removes up to 0.01 microns pore size of foreign substances in water, also maintains the optimal flow rate while keeping the filtration accuracy of this hiking gear. 4.Gear Up Without Added Cost: This survival gear straw will make your filtering experience sieve to the next level. 1) Water Reserve - Fill the water pouch before leaving a water source 2) Body Gesture - 7-inch water tube allows you to drink without laying on the ground. 3) Backflush - clear out all the dirty fibres with backwash syringe. Dont forget to connect the straw with various standard water bottles. 5.Ultralight For Any AdventureLightweight and portable camping accessories , which fit your hands, pocket, bag and act as a backpacking gear. It is ideal for hiking, camping and travelling. Always be prepared in emergency supplies ,pack a life straw inside your survival tools and emergency kit will help you reduce fear, anxiety, and losses during water shortage and other emergency circumstances.