Stanley Master Unbreakable Thermal Vacuum Bottle - 44 fl. oz.

Color: Foundry Black

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Using QuadVac™ insulation to keep drinks at temperature for days, the 1.4 qt. (44 fl. oz.) Stanley Master Unbreakable thermal bottle has a steel-lined stopper for zero plastic contact.


  • Crafted from BPA-free 1mm 18/8stainless for exceptional durability—no more worrying about fragility; just focus on the adventure
  • Double-wall QuadVac insulation keeps drinks hot for 40 hrs., cold for 35 hrs. and iced for up to 6 days
  • Watertight lid and fully leakproof design make it easy for you to head out fishing, camping, backpacking or on your daily grind without dealing with leaks
  • Vacuum-insulated steel lid cover doubles as a drinking cup and keeps your drink hotter longer than a standard coffee mug
  • Robust steel handle with molded silicone grip makes toting around your stainless-steel vacuum mug a one-finger affair
  • Simply throw your bottle into the dishwasher when you get home for an effortless clean
  • Covered by the Stanley Built for Life™ limited lifetime warranty; contact Stanley for details


View all Stanley Thermoses

Technical Specs

Best Use


Liquid Capacity (L)

1.32 liters

Liquid Capacity (fl. oz.)

44.8 fluid ounces


14.1 x 6.7 x 4 inches

Water Bottle Material

Stainless Steel


Stainless steel

BPA Free




Bottle Opening


Cap Type

Screw Cap


2 lbs. 14.2 oz.

51 reviews with an average rating of 4.3 out of 5 stars

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