Features: 1. Principle: Removing protists the lightweight and compact hollow fiber membrane system can effectively provide clean and safe water. 2. Scope of application: It is suitable for outdoor drinking water in outdoor activities such as travel outdoor sports fitness camping life-saving emergency field exploration marching operations and underground mining. 3. Easily attach to your drinking bag standard disposable water bottle (with 28mm thread) hydration pack or use with a silicone straw to drink directly from your water source. 4. The special multi-function can effectively reduce the turbidity of water and remove bad taste and toxic substances such as chlorine trihalomethane organic chemicals and other harmful substances so that the taste of water is better. 5. High-quality ABS material well-crafted the convenient cap can prevent dust and stains and the hook clip is easy to carry and hang. Specifications: Material: ABS Weight: 60g Color: green blue Size: 175*3*3mm Package Included:1pc *outdoor survival water purifier Note: 1. Due to the light and screen difference the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement Origin:CN(Origin)