These BPA-free replacement flasks from Nathan feature a silicone rubber nozzle with twin grip ridges for easy opening and closing.
- BPA Free.
- Wide mouth for easy cleaning and filling.
- Dishwasher safe. (top rack)
- Measurement lines on back.
Hydration Boosts Endurance. The body can lose over 96 ounces of water per hour during sustained high-intensity activity. Continual hydration optimizes body cooling and energy transport, resulting in peak performance during training, competition and recreation.
Ditch Disposables: Using a refillable bottle, like this one, cuts down on the 38 billion disposable water bottles that clog landfills each year. This bottle is good for you and good for the environment.
Information on BPA and Nathan Bottles.