Features:<br />Large Capacity: This folding bottle has a large capacity of 500ml that can meet your water need.<br />Effective Filter Element: The filter element adopts of ultra-high precision 0.01 micron hollow ultrafiltration membrane to remove 99.9% harmful bacteria in water, can ensure the safety of your drinking water.<br />Lightweight, Portable and Folded: The soft water bottle with water purification features a high degree of flexibility, can be easily placed anywhere, more convenient to insert it the backpack or pocket, easy to carry.<br />Reusable Filter: Filter core is removable and flushing to achieve environmental reuse, you can wash the filter element that can keep clean.<br />Pure Physical Filtration: No chemical, give you more security.<br />Silica Gel and TPU Material: Soft and durable.<br/>Specifications:<br />Bottle Material: 0.3mm/0.01in TPU <br />Filter Material: Carbon Fiber&#43;PP Cotton&#43;Ultrafiltration Membrane&#43;ABS<br />Capacity: 500ML<br />Color: Blue<br />Water Temperature: Below 50 degrees Celsius<br />Water Outlet Way: Light press after bite<br />Filter Length: 72mm/2.83in<br />Filter Diameter: 18mm/0.71<br />Clean Water of Filter Element: 0.5t/1102lb (Increase use time by anti-cleaning method)<br />Item Size: 255*95mm/10*3.7in<br />Item Weight: 44.7g/1.58oz<br />