Black Dualie 8 oz hidden flask, clear Tritan body with black silicone bumpers & screw cap, front view
Black Dualie 8 oz Tritan flask with a clear body in front of a lantern-lit outdoor evening party
Black Dualie 8 oz Tritan flask with amber liquid, silicone bumper & crystal clear Tritan plastic callouts
Hand holding a black Dualie 8 oz hidden flask filled with amber liquid up at a crowded string-light party
Hands slipping a black Dualie 8 oz Tritan hidden flask into the inner pocket of a black suit jacket over a white shirt
Dualie 8 oz undetectable Tritan flask in burnt red with clear body & silicone bumpers, front view on white
Burnt red Dualie hidden flask with a clear see-through body over a packed baseball stadium & cheering fans
Burnt red Dualie 8 oz Tritan flask half full, callouts for silicone bumpers, BPA-free Tritan plastic & metal-free build
Hand holding up a burnt red Dualie hidden flask filled with clear liquid in front of a crowded football stadium
Burnt red Dualie Tritan flask tucked into the back pocket of blue jeans under a black t-shirt
Coral Dualie 8 oz undetectable Tritan flask, front view showing clear body, knurled cap & embossed logo bumper
Coral Dualie hidden flask with a clear see-through body set against a blurred outdoor music festival crowd
Coral Dualie 8 oz Tritan flask with amber liquid inside, listing silicone bumpers, BPA-free Tritan & 8 oz capacity
Hand with painted nails raising a coral Dualie Tritan flask of clear liquid above a concert crowd under stage lights
Coral Dualie hidden flask peeking out of the front pocket of a canvas tote bag at a sunlit outdoor event
Fog gray Dualie 8 oz undetectable Tritan flask, front view with clear body & gray silicone top & bottom bumpers
Fog gray Dualie hidden flask with a see-through body framing a couple relaxing in striped beach chairs by the ocean
Fog gray Dualie 8 oz Tritan flask tilted to show amber liquid, with silicone bumper, BPA-free & capacity callouts
Hand holding a fog gray Dualie Tritan flask filled with pale liquid against a blurred sunset sky
Hand dropping a fog gray Dualie hidden flask into a woven straw beach bag with a towel & sunglasses on the sand
Glacier blue Dualie 8 oz undetectable Tritan flask, front view with clear body, bright blue cap & logo bumper
Glacier blue Dualie 8 oz Tritan flask partly filled, noting silicone bumpers for grip, BPA-free Tritan & metal-free
Glacier blue Dualie hidden flask with a clear body over snowy ski slopes, chairlifts & ski tips in the foreground
Gloved hand holding up a glacier blue Dualie Tritan flask of clear liquid against snowy pine trees & mountains
Gloved hand sliding a glacier blue Dualie hidden flask into the pocket of a ski jacket with snowy mountains behind
Navy Dualie 8 oz undetectable Tritan flask, front view showing clear body with dark navy silicone bumpers & cap
Navy Dualie hidden flask with a see-through body over an evening garden party lit by paper lanterns & string lights
Navy Dualie 8 oz Tritan flask with amber liquid, callouts for silicone bumpers, clear BPA-free Tritan & 8 oz capacity
Hand holding a navy Dualie Tritan flask of golden liquid up against glowing string lights at an outdoor party
Hands tucking a navy Dualie 8 oz hidden flask inside a black suit jacket, showing its slim clear profile
Orange Dualie 8 oz undetectable Tritan flask, front view with clear body, knurled orange cap & embossed bumper
Orange Dualie hidden flask framed by an open tent doorway looking out on autumn forest & snowy mountain peaks
Orange Dualie 8 oz Tritan flask holding amber liquid beside callouts for silicone bumpers, BPA-free Tritan & 8 oz size
Hand raising an orange Dualie Tritan flask of clear liquid above a rocky ledge with misty mountains behind
Orange Dualie hidden flask standing on a log beside a canvas hiking backpack & a pine cone in the woods
Sea foam green Dualie 8 oz undetectable Tritan flask, front view with clear body & mint silicone bumpers
Sea foam Dualie hidden flask with a clear body over a couple lounging in striped beach chairs on white sand
Sea foam Dualie 8 oz Tritan flask tilted with amber liquid, listing silicone grip bumpers, BPA-free Tritan & capacity
Hand holding a sea foam Dualie Tritan flask filled with pale liquid in front of a soft sunset horizon
Hand placing a sea foam Dualie hidden flask into a straw beach tote with a pink towel & sunglasses by the waves
White Dualie 8 oz undetectable Tritan flask, front view with clear body, white knurled cap & white bumpers
White Dualie hidden flask with a see-through body over a ski resort slope with chairlifts & snowy ski tips
White Dualie 8 oz Tritan flask with amber liquid inside, callouts for silicone bumpers, BPA-free Tritan & 8 oz capacity
Black ski glove holding a white Dualie Tritan flask of clear liquid against snow-covered pines & blue sky
Gloved hand tucking a white Dualie hidden flask into a black & white ski jacket pocket above a snowy valley
Yellow Dualie 8 oz undetectable Tritan flask, front view showing clear body with bright yellow cap & bumpers
Yellow Dualie hidden flask with a clear body framing a golf course fairway, sand bunkers & tall pine trees
Yellow Dualie 8 oz Tritan flask half filled with amber liquid, noting silicone bumpers, BPA-free Tritan & capacity
Golfer in a white golf glove holding up a yellow Dualie Tritan flask on a sunny course with palm trees
Hand sliding a yellow Dualie 8 oz Tritan hidden flask into the zip pocket of a golf bag on a course
Dualie 8 oz Tritan hidden flask lineup in 10 colors, from burnt red & coral to navy, black, yellow & orange

Dualie

8 oz Undetectable Tritan Flask

$12.99
Color:Black
Quantity:

Free Shipping on orders $75+

Product Details
  • TOP-SHELF QUALITY: Made with shatterproof Tritan plastic and impact-absorbing silicone bumpers, this ultra durable flask withstands everything from regular use to outdoor adventures; Leakproof and BPA-free to keep your favorite spirits fresh
  • MODERN STYLE: Features a crystal clear plastic body for a sleek, minimalist alternative to metal flasks of the past; Functional silicone bumpers add grip, protection, and personality; Choose from 10 unique colors
  • UNDETECTABLE: Zero metal, zero hassle; Unlike traditional flasks, DUALIE Lookout is security-friendly so you can confidently bring it to concerts, sporting events, theme parks, and more
  • TRAVEL READY: Small and lightweight for drinking on-the-go; Compact size comfortably fits in your pocket, jacket, or purse; Holds 8 oz and measures 3.8 (L) x 1 (W) x 5.5 (H) inches
  • THE PERFECT GIFT: Great for bourbon or whiskey lovers, groomsmen, women, and anyone who enjoys a good drink; Easy to clean and top-rack dishwasher safe for easy upkeep

Performance meets style with DUALIE Lookout! Built for hikes and happy hours, this robust flask is made from scratch-resistant, virtually unbreakable Tritan plastic—lighter than steel and tougher than glass. The transparent, slim design provides a modern aesthetic with the clarity to see every sip. Unlike common stainless steel flasks, the DUALIE Lookout is metal detector-friendly so it is easy to take to any event or venue! The compact, lightweight size makes it the ideal travel flask for carrying in your pocket or bag, while the leakproof cap ensures you never waste a single drop! Fill with 8 oz of your favorite beverage, whether it is tequila, whisky, or another top-shelf liquor. Use it as a camping flask or secret flask to keep the good times flowing! Snag the ultimate drinking accessory with DUALIE Lookout!

DUALIE-FLASK-TRI-8-BLACK

Warranty

Most products are covered by a 6-month manufacturer's warranty from the date of delivery against defects in material and workmanship. Click here for our full warranty policy.

Shipping

Free standard ground shipping on orders $75+ within the continental U.S. Orders ship in 1–2 business days. Click here for our full shipping policy.

Returns

Return unused items in their original packaging within 30 days of purchase — sale and final sale items are excluded. Click here for our full return policy.

FAQ's

It holds 8 oz and measures 3.8 (L) x 1 (W) x 5.5 (H) inches.
It's made with shatterproof, BPA-free Tritan plastic and impact-absorbing silicone bumpers, and it's leakproof.
Yes, it contains zero metal, so it's security-friendly for concerts, sporting events, theme parks, and more.
It's easy to clean and top-rack dishwasher safe.
You can choose from 10 unique colors.
Free standard ground shipping on orders $75+ within the continental U.S. Orders ship in 1–2 business days. See our shipping policy for full details.
Return unused items in their original packaging within 30 days of purchase. Sale and final-sale items are excluded. See our return policy for full details.
Most products are covered by a 6-month manufacturer's warranty from the date of delivery against defects in material and workmanship. See our warranty policy for full details.

Dualie makes drinkware that fits your day and your style. Our water bottles, insulated can coolers, and flasks combine practical features with distinctive colors and finishes. Whether you’re heading to work, spending the day outside, or gathering with friends, we make it easy to bring your favorite drink along.

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