Hydrapak Full-Force Hydration Reservoir， Mammoth Grey ， 2 L<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"> The versatile hydration system for any adventure: easily drink or dispense water with one hand </span></li><li><span class="a-list-item"> Multi-use hydrant tube includes a silicone squeeze bulb and pressure activated valve - spray to cool， clean， share， fill or drink </span></li><li><span class="a-list-item"> Dust cover protects silicone bite valve from collecting dirt </span></li><li><span class="a-list-item"> Pack clip easily attaches to backpack straps for quick access and ideal routing </span></li><li><span class="a-list-item"> Safe and reliable， 100% BPA &amp; PVC free </span></li><li><span class="a-list-item"> Made of ultra-durable， abrasion resistant TPU &amp; RF welded seams for superior durability and elasticity </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41L4%2BPIdi3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31wDzEic6JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Kj-8YGuNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dFyrBj%2BfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21TWAReBVVS.png" noproxy>