Hydro Flask 40 oz Vacuum Insulated Wide Mouth Stainless Steel Water Bottle in Army Green
Thermoses & Vacuum Flasks

Hydro Flask 40 oz Vacuum Insulated Wide Mouth Stainless Steel Water Bottle in Army Green

Best price of 2 stores
$20.99
at eBay
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Compared across 2 stores: lowest price $20.99 at eBay, highest $21.99. Prices as of November 15, 2026.

Typical price

This is about what it's usually priced at.

Between $19.99 and $20.99 over the last 4 days (4 price changes tracked).

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  • Returns follow the store's policy and your consumer rights

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About this product

The Hydro Flask 40 oz Vacuum Insulated Wide Mouth Stainless Steel Water Bottle in Army Green is designed to keep your beverages at the ideal temperature throughout the day. Featuring TempShield insulation and a durable construction, this water bottle suits outdoor adventures, workouts, and daily commutes alike.

Highlights

  • Capacity of 40 oz
  • Army green color with a slip-free powder coat
  • TempShield insulation keeps drinks cold up to twenty-four hours and hot up to twelve hours
  • Made with 18/8 pro-grade stainless steel
  • Includes a click closure straw lid with a carry loop
  • Wide mouth design fits most backcountry water filters

Design and Materials

This water bottle is constructed from 18/8 pro-grade stainless steel to ensure lasting durability, a pure taste, and no flavor transfer between uses. The exterior features a color last powder coat that is dishwasher safe and keeps the bottle slip-free and colorful. Its solid army green theme provides a rugged, understated aesthetic suitable for outdoor activities.

The wide mouth opening accommodates ice cubes easily and is compatible with most backcountry water filters for wilderness excursions. The included straw lid provides a leakproof design that makes cold refreshment straightforward and accessible on the go. Additionally, the integrated carry loop makes the bottle easy to transport and comfortable to hold.

Temperature Retention

Equipped with TempShield insulation, this flask helps maintain your preferred beverage temperature for extended periods. Cold liquids remain chilled for up to twenty-four hours, while hot beverages stay warm for up to twelve hours. This capability makes it a versatile choice for everything from ice water on summer hikes to hot tea during cooler weather.

To maximize the insulating performance of your vacuum bottle, you can pre-chill it with cold water or pre-heat it with hot water for a few minutes before filling. Ensuring the lid is securely closed helps preserve the internal temperature throughout the day. The insulation also prevents condensation from forming on the exterior of the bottle.

Care and Maintenance

Maintaining your stainless steel water bottle is straightforward thanks to its dishwasher safe powder coat finish. Regular cleaning helps prevent residue buildup and preserves the pure taste of your drinks. For thorough cleaning of the straw lid and narrow components, a specialized brush can be useful.

When not in use, store the bottle with the lid removed to allow the interior to air out completely. Avoid using abrasive cleaners or harsh scouring pads on the exterior coating to maintain the vibrant army green color and slip-free texture over time.

Questions shoppers ask

How long does the bottle keep drinks cold or hot?

TempShield insulation keeps beverages cold for up to twenty-four hours and hot for up to twelve hours.

Is the water bottle dishwasher safe?

Yes, the color last powder coat is dishwasher safe.

What is the capacity of this water bottle?

The capacity is 40 oz.

Does this bottle fit in standard cup holders?

The listing does not state cup holder compatibility; please check the store's listing or measure your cup holder against the bottle dimensions before purchasing.

Fashnal wrote this description from eBay's listing with the help of AI and checked it against that listing. Sizes, colours and stock can change, so check them at the store before you buy.

Returns & refunds

This purchase is completed on the seller's own website. Check their return policy before shopping — your consumer rights under your own country's law still apply.

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