by bobber
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This flask from Bobber Bottles is a must-have for anyone who loves hot or cold beverages. This flask is designed to keep your hot drinks hot for up to 72 hours and cold drinks cold for up to 48 hours, ensuring that you can enjoy your drinks at the perfect temperature for longer periods of time. This flask is 100% leak-proof too. Meaning, you can carry it in your bag or purse without any worry of spillage, making it perfect for outdoor activities, travel, or commuting.

  • Temperature retention. Narrow mouth helps to keep beverages hot/cold longer
  • 100% leak-proof. Narrow stopper & silicone rings make it absolutely sealed
  • No contact with plastic. Your beverage contacts with a metal plate on the stopper
  • Grooves. Make the flask impact-resistant & provide a better grip
  • Multifunctional. External cap doubles as a cup for your beverage


  • Color: mint
  • Materials:
    • 18/8 food-grade stainless steel
    • Food-grade plastic
    • Food-grade silicone
    • BPA-free
  • Diameter: 3.70''
  • Height: 11.02''
  • Mouth diameter: 1.34''
  • Cup volume: 4.4 oz
  • Size: 34oz
  • Temperature:
    • Hot - up to 48 hours
    • Cold - up to 72 hours
  • Multifunctional


  • Bobber Bottle Vacuum Flask (Mint)


  • Ships to US
  • Expected Delivery: Apr 2 - Apr 6


  • Returns accepted within 30 days of shipment for orders within the Contiguous US.