Source Bladder Water Bag for Backpacks and Hydration Packs

This water bag is perfect to slip in a backpack while on the go. It has an antibacterial coating and is neutral in taste. It is also BPA and phthalates free. The surface is "glass like" smooth, 2000% smoother than conventional TPU foils. The bite valve is replaceable and the opening to fill and clean is very wide.
Big opening on the top makes filling and cleaning fast and easy
Plastic
Very smooth surface (2000% smoother than conventional TPU foils)
Neutral in taste and free of BPA and phthalates
Antibacterial coating