Specification:material: plasticSize: 22*3.2cmdescribe:Filter straws are camping gear and emergency gear. It is essential for camping, hiking, climbing, hunting, trekking, backpacking, biking, boating, driving, outdoor travel and wilderness adventures. Your gear can never be too ready.Head near a stream or lake and drink straight from the spring, or fill your water bottle and attach a filter to start drinking.If you want easy and quick access to healthy drinking water, this survival kit is the way to go. The mini and lightweight filtration system is perfect for leisure, hiking, camping. It is also a good companion for your reconnaissance, domestic and foreign travel, emergency preparedness.Made of strong food-grade plastic, BPA-free and with a 0.01-micron filtration, it provides you with a reliable source of pure drinking water anytime, anywhere. Especially in an emergency.It's ready to use, all you have to do is plug the hiking water filter directly into your water source or connect to another water bottle or hydration bag. After each use, simply blow out the straw and rinse gently to extend its life.Package includes:1 * Emergency Survival Drinking Water Filter