Stanley Master Flask 8oz – The Perfect Hip Flask for Every Adventure

Stanley Master Flask 8oz – The Perfect Hip Flask for Every Adventure

Stanley Master Flask 8oz – The Perfect Hip Flask for Every Adventure


The 8 ounce Stanley Master flask, with cold-rolled steel finished in the perfect Foundry Black powder coat, surely lives up to its name. The tool-styled finished cap was crafted with internal threads for a smooth lip land with every swig. Pass it around to share with others, but make sure you get it back!

How to Deep Clean Your Master Flask

What You’ll Need:

  • 1/4 cup Uncooked rice
  • 3oz distilled white vinegar


  1. Pour 1/4 cup of uncooked rice into flask
  2. Fill flask with 3oz of distilled white vinegar
  3. Seal flask
  4. Shake vigorously for 1 minute
  5. Let sit for 5-10 minutes (Do not soak for extended period of time – a vinegar soak will eventually corrode stainless steel)
  6. Shake vigorously again for 1-2 minutes
  7. Empty flask
  8. Rinse thoroughly with warm water
  9. Leave open until dry

Pocket Friendly Design

Stanley designed this 8-ounce flask for the person that’s on the move. The contoured back provides a comfortable fit against your body and makes it easily fit into your pocket. The hinge-connected cap ensures it always stays covered, so you never have to worry about losing it.

Durable & Rust-Proof

This hip flask is built to last with 10mm thick and strong 18/8 BPA-Free stainless steel that’s lightweight, rugged, and rust-proof. Its versatile design makes it work while camping in the mountains or woods or at sporting events. No matter where your adventures take you, the Stanley Master Flask will be by your side.

Easy to Drink/Pour

The Stanley Classic Flask features a wide mouth opening that makes filling, pouring, and cleaning easy. Say goodbye to spills and messes. With an integrated lanyard cap, you don’t have to worry about losing your flask cap. It’s designed for convenience and functionality.

Perfect Gift for Any Occasion

Are you looking for a cool classy gift for your man, husband, boyfriend, brother, dad, or friend? Look no further! The Stanley Master Flask is a great choice for birthdays, Father’s Day, groomsmen/best man, Christmas, weddings, and graduation gifts. It’s a gift that will be cherished and used for years to come.

Lifetime Warranty

“BUILT FOR LIFE” – Since 1913, we’ve promised to provide rugged, capable gear for food and drink, built to last a lifetime. It’s a promise we still keep. Stanley products purchased from Stanley Resellers come with a lifetime warranty. You can trust in the quality and durability of the Stanley Master Flask.

Frequently Asked Questions

Q: Is the flask leak-proof?

A: Yes, the Stanley Master Flask is leak-proof, ensuring that your favorite beverage stays securely inside.

Q: Can I use the flask for hot liquids?

A: The Stanley Master Flask is designed for cold beverages. It is not recommended for use with hot liquids.

Q: How long does the flask keep drinks cold?

A: The Stanley Master Flask is insulated to keep your drinks cold for up to 24 hours.

Q: Can I put the flask in the dishwasher?

A: No, the flask is not dishwasher safe. It is recommended to hand wash it with warm soapy water.

Q: What is the capacity of the flask?

A: The Stanley Master Flask has a capacity of 8 ounces, perfect for a few sips of your favorite beverage.

Thank you for choosing the Stanley Master Flask 8oz. Cheers to your next adventure!