<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.