Source Outdoor Ultimate Hydration System with Widepac Reservoir<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Hydration reservoir with wide opening for easy filling， cleaning， draining， and ice insertion; 2-liter capacity (70 ounces) </span></li><li><span class="a-list-item"> Taste-free bladder with maintenance-free Glass Like liner prevents bio-film build-up </span></li><li><span class="a-list-item"> Universal Tube Adapter fits variety of water bottles and indoor/outdoor taps and faucets for fast refills </span></li><li><span class="a-list-item"> Rounded Helix bite valve delivers a full flow with just a soft bite; built-in safety shutoff mechanism </span></li><li><span class="a-list-item"> Magnetized drink tube holder secures hydration hoses in place </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51k-Xw8C5tL.jpg" noproxy>