Yosoo Pack Drink Tube Bite Valve with Shut Off Valve Kit<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"> 1. Material:Silicone </span></li><li><span class="a-list-item"> 2. Available in both straight and 90 degree types to choose </span></li><li><span class="a-list-item"> 3. Simply push on to your existing tube </span></li><li><span class="a-list-item"> 4. 9mm approx connector diameter (Please check suitability before purchase) </span></li><li><span class="a-list-item"> 5. Easy on/off switch </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Lt5c6HVGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MpJO8J53L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-R8e7jcIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ULPALHmBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kiKimSZjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41b2r99BA9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MKZuUzyAL.jpg" noproxy>