The Omni Self-sealing Heart Valve™ delivers a high rate of flow with a leak-proof design, even when the valve is open. Refined no-slip grip design and polished surface for easy use. Simple hands-free open and close valve. Updated poppet shape and smaller mouthpiece size for easier engagement. 100% leak-proof top locks down for transport or mixing powdered drinks. Rubber over-molded cap for easy grip.
