Sea To Summit Pack Tap - 4L<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"> nylon </span></li><li><span class="a-list-item"> Double layer tough Mylar bladder </span></li><li><span class="a-list-item"> 420 D ripstop nylon exterior </span></li><li><span class="a-list-item"> Easy one-handed operation </span></li><li><span class="a-list-item"> Security cap on tap </span></li><li><span class="a-list-item"> Weight: 4 oz </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41apNkm0wJL.jpg" noproxy>