Amazon.com: Aquatic Way Bite Valve Replacement Mouthpieces fits Camelbak and Most Brands (4-Pack), with Shutoff Valve and Tube O-Ring for Hydration Bladder and Backpack Water Reservoir : Sports & Outdoors
Amazon.com : CamelBak eddy+ Kids 4-pack, Bite Valve & Straws, Multi Color : Sports & Outdoors
CamelBak Big Bite Valve Color - 3-Pack - Hike & Camp