Paladineer 2L Taste-free Hydration Bladder Reservoir Clear Guarantee for your Health: Anti-microbial addititives are added to efficiently restrain the growth of bacterial and extend the duration of the water bladder; Taste free, in compliance with the LFGE test. Please be assured to buy Large Mouth Opening: Large opening water filling port easy for filling water, cleaning and drying.Very easy to load with ice and water; Anti-leaking sliding opening: Cleaning, rinsing and drying are very convenient Materials: Made of EVA and PE materials resistant to mold and microbes & Non-toxic making this hydration bladder taste free. Every stitching of every item is strictly tested by the quality department Quick disconnect system: Just pressing the button to the disconnect,you will remove the tube for storage quickly and easily. QUICK-RELEASE TUBE can be detached for easy storing; High quality disconnects prevent the bladder from leaking Bite Valve and Drinking Tube: Anti-microbial, taste-free, good flow for drinking; Lock to stop leaking.Durable, soft, and leak resistant bite valveEco-friendly and Anti-microbial tube; Quick disconnect at the base of the bladder: Just press a button and it pops right off