Material: silicone rubber Size: sealing rings diameter is 2.6inch; bottle stopper measures 1.37 inches long by 1.57 inches wide.
Applicable People:
Consumers who pay attention to the sealing performance and hygiene of water bottles.
People who travel,sports or do outdoor activities.
User who are concerned about the leakage prevention and cleanliness of their water bottles.
People who need to carry their water bottle with them when traveling, on business trips or in the workplace.
Users of Owala FreeSip bottles.