Fresh WaterThe filter straws is a perfect aid for emergency situations. Its necessary when camping, hiking, mountain climbing, hunting, trekking, backpacking, biking, boating, car rides, outdoor trips and wilderness adventures. MaterialThis survival kit build out of strong food-grade plastics, manufactured with ABS, very safe, filtration accuracy is 0.01 microns which can provide you with a reliable source of pure drinking water at any time and anywhere. Especially in an emergency. TechnologyIf you want to obtain healthy drinking water simply and quickly, you can use this survival gear. Our water purifier can removing 99.9999 percent of the tiny material, cysts, particulates, sediments. Built with 0.01-micron ultrafiltration membrane and can absolutely provide up to 1500 liters of drinking water. Easy To UseIts ready for use, you just need to insert this camping water filter directly into water sources, get down close to the stream or lake and use it to drink straight from the source, or fill your water bottle and insert the filter to start sipping. Package Included1pc x water filter, 1pc x silicone tube, 1pc x lanyard.After each use, simply blow out of the straw to backwash it easily, in order to extend its life cycle. Features: Fresh Water: A perfect aid for emergency situations. Its necessary when camping, hiking, mountain climbing, hunting, trekking, backpacking, biking, boating, car rides, outdoor trips and wilderness adventures. Easy To Use: Get down close to the stream or lake and use it to drink straight from the source, or fill your water bottle and insert the filter to start sipping. Material: Build out of strong food-grade plastics, manufactured with ABS, very safe, filtration accuracy is 0.01 microns which can provide you with a reliable source of pure drinking water at any time and anywhere. Especially in an emergency. Technology: Removing 99.9999 percent of the tiny material, cysts, particulates, sediments. Built with 0.01-micron ultrafiltration membrane and can absolutely provide up to 1500 liters of drinking water. Package Included: 1pc x water filter, 1pc x silicone tube, 1pc x lanyard. Specifications: Type: Water Filter Material: ABS, PE, Ultrafiltration Membrane, Activated Carbon Color: Blue Size(L*W): About Water Filter: 22x3.2cm/8.66x1.26inch Silicone Tube: 20.2x0.9cm/7.95x0.35inch Lanyard Length: About 46cm/18.11inch Filtration Capacity: 1500L (396Gallons) Filtration Accuracy: 0.01 micron Water Purification Flow: Max 550ml/min Package Included: 1pc x Water Filter 1pc x Silicone Tube 1pc x Lanyard