wacool 3l 3liter 100oz bpa free eva hydration pack bladder, leak-proof water reservoir (blue(double opening)) wacool <b>product specifications:</b> <br><b>model = 3liter eva bladder </b> <br> -color: blue <br> -material: bpa-free eva;<br> -tube size: 110 x 1cm / 43'' x 0.4'' <br> -weight: 250g <br><br><b>product features:</b> <br> - fits most hydration backpacks-molle & tactical vests, use as a replacement or for adding hydration to a compatible pack. <br> - superior quality - a favorite with military, law enforcement, hunters, hikers and outdoor enthusiasts. <br> - good performance in ompression resistance and anti-burst. <br><br><b>important notice:</b> <br> - the temperature of the water should be between -20 and 50 degree celsius. <br> - hydration bladder cannot hold juice,milk,soft drink,liquor, etc. <br> - please soak the bladder for one hour in the warm salt water about 30-40 degree celsius and then clean it before using.(the salt concentration should be controlled at about 7%.) <br> - clean with a mild detergent and rinse the reservoir thoroughly. <br> - make sure it is completely dry, inside and outside, before storing. <br> - avoid contact with extreme heat/cold, harsh chemicals, uv light and sharp objects, these elements will damage the reservoir. <br><br> <b> our service</b><br> 100 % satisfaction guaranteed. <br> if you have any questions, please feel free to contact us at any time, we'll provide our best service to resolve the problem. <br> <b>package include: </b> <br>bladder x 1 <br>service card×1.