evo.com | Nnormal Water Bottles > The Nnormal Water Flask was made to last with a no leak design that means you can bring this on your trail adventures over and over again. Feating a high-flow bite valve that auto-seals after each sip so you get every drop of that sweet sweet H20. Auto-Seal Bite Valve BPA- and PFC-Free Made from 100% TPU 500ML | Nnormal Water Flask 2026 - 500Medium/Large Size 500Ml