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IRON °FLASK Co-Pilot Insulated Mug w/Straw & Flip Cap Lids - Cup Holder Bottle for Hot, Cold Drink - Leak-Proof - Water, Coffee Portable Travel Mug - Cobalt Blue, 50 Oz

  • Based on 7,108 reviews
Condition: New
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon

Arrives Nov 5 – Nov 6
Order within 7 hours and 6 minutes
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Style: 50 Oz


Color: Cobalt Blue


Features

  • INSULATED HOT & COLD MUG: Whether you crave a hot cup of morning coffee an icy-cold refreshing drink, our mug's double-walled, vacuum-insulated technology will keep your drinks COLD for up to 20 hours, and HOT for up to 5 hours! No more settling for lukewarm sips or diluted flavors!
  • FITS IN YOUR CUP HOLDER: Built to fit any standard cup holder - our mug's sleek, compact design ensures a secure fit to avoid accidental spills! Our rubber bottom provides a non-slip base for protection & noise proof - making it your ideal travel companion on busy mornings & adventurous journeys.
  • LIGHTWEIGHT & DURABLE: Crafted with 18/8 Stainless steel that is BPA free and non-toxic - this mug is built to withstand the rigors of everyday use, ensuring its durability for years to come. Invest in a mug that not only meets but exceeds your expectations.
  • 2 AIRTIGHT, LEAK PROOF LIDS FOR ANY OCCASION: Embrace versatility with not one, but TWO insulated lids! Included is 1 splash-proof straw lid & a leak-proof flip lid - perfect for hot or cold drinks! Avoid spills & leaks, our lids ensure a secure closure, the ideal travel companion
  • SIMPLE TO CLEAN: Hand-washing is a breeze with our wide mouth tumbler. Its generously sized opening allows for effortless access to every nook and cranny, ensuring you can easily reach all areas for a thorough scrub. No more hard-to-clean residue for a sparkling clean mug every time, with minimal effort. Ideal for those who prioritize hygiene and ease in their daily routines!

Brand: IRON °FLASK


Color: Cobalt Blue


Special Feature: Cold 20 Hours, Double Wall, Hot 5 Hours, Leak Proof, Sweat Free


Style: 50 Oz


Theme: Travel


Brand: IRON °FLASK


Color: Cobalt Blue


Special Feature: Cold 20 Hours, Double Wall, Hot 5 Hours, Leak Proof, Sweat Free


Style: 50 Oz


Theme: Travel


Recommended Uses For Product: Travel


Included Components: Lid, Straw Lid


Specific Uses For Product: Cold Drinks, Hot Drinks


Shape: Round


Pattern: Solid


Product Care Instructions: Hand Wash Only


Age Range (Description): Adult


Material Feature: Insulated


Reusability: Reusable


Unit Count: 1.0 Count


Item Weight: 1.4 Pounds


Product Dimensions: 6.42"W x 8.66"H


Material Type Free: BPA Free


Number of Items: 1


Is Dishwasher Safe: Yes


Finish Type: Powder Coat


Manufacturer: IRON °FLASK


UPC: 810082486841


Size: 50 Ounces


Item Weight: 1.44 pounds


Date First Available: April 25, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 5 – Nov 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great cup, keeps ice cold overnight. Pretty color too!
Style: 40 Oz Color: Aurora
I have so many cups. But I refuse to buy a Stanley. This one keeps my ice actual ice overnight and then some. I was using a hydroflask one and a yeti before that. But I think I dropped it one too many times and it wasn’t keeping anything cold long anymore. I do like how this one is spell proof so if it does tip over the water doesn’t all fall out and it’s definitely a pretty color the oil slick color way.. I do wish it came with a second straw or just a better straw in general because the one that comes with it is kind of cheap. ... show more
Reviewed in the United States on October 17, 2025 by Amanda Richter Amanda Richter

  • Absolutely love it and will buy more
Style: 40 Oz Color: Cosmetic Pink
I absolutely love this cup! My ice stays cold for at least 2 days! I will be buying more colors! Great handle perfect for traveling it fits in app the cup holders I’ve put it in and has a nonslip piece on the bottom easy to clean there’s no weird taste to it like some cups have the color is cute I’ve dropped it and it hasn’t scratched or dented yet. This would make a perfect gift for someone who likes durable tumblers ... show more
Reviewed in the United States on October 16, 2025 by Nichole foote

  • Great Price and Features
Style: 32 Oz Color: Aurora
I am amazed at this insulated mug with its two lids. One for straws which I rarely use. The other one really interested me. Make sure you close the lid well and it really is leakproof. I love the colors that were available and like the dark blue one with purple accents. LSU fan here. Had an insulated mug from a well known company for many years that I used constantly. Unfortunately I dropped it one too many times and the lid finally busted. The company does not make replacement lids for the item. This seller sent it out within 2 days max. I had iced coffee in it yesterday and the ice stayed for hours. Have not tried it for hot yet. I like the handle on this one. It fits comfortably in my small hands. Sitting outside in a gravity chair it fits in the holder and does not dump over. Easy to clean; much easier than the old tumbler. Very pleased with this purchase. I will be taking it on a trip soon. ... show more
Reviewed in the United States on September 21, 2025 by D Rich

  • Lovin' this mug!
Style: 40 Oz Color: Aurora
This was recommended to me by a coworker and I love it! The color is so pretty and unique, it is easy to clean, I love the 2 lid options, it keeps my water nice and cold for a while and with the straw option it helps me keep up on my water intake for the day. I love it and use it every day!
Reviewed in the United States on October 24, 2025 by Georgianna Georgianna

  • Tween fashionista approved! 1 of 3 arrived broken.
Style: 40 Oz Color: Elemental Gray
My 11 yr old LOVES this tumbler! Keeps he water cold all day long. She loves the icy blue color and I love the non-stanley price with the equal quality. Bought 2 more for me and the husband. The 2nd one I ordered, the Aurora color, arrived broken. The lid would not come off and the mouth cover was broken on one side. I've ordered a free replacement but still disappointing considering I bought 2 others. ... show more
Reviewed in the United States on September 9, 2025 by jayswife526

  • Great quality!
Great product! sturdy, beautiful, doesn't leak. Keeps the water really cold for hours and hours, and the quality is really great
Reviewed in the United States on October 5, 2025 by Patricia Meneces

  • The color is gorgeous!
I looooove my new mug. I was going to get a Stanley, but I really liked the look of this one and I'm not disappointed at all. Kept my drink cold for hours. Love that it comes with 2 different lids and 2 reusable straws. Highly recommend. Easy to clean and wipe out, didn't leak at all, and easy to hold! ... show more
Reviewed in the United States on September 8, 2025 by Sarah Behnke

  • The feeling of “I found a better mug, but due to other reasons, I’ll have to settle for this.”
Style: 50 Oz Color: Black
I bought this mug to replace a 50 oz Reduce mug I had used for almost 6 years. The reason was just because I was tired of dealing with the plastic bands that are part of the handle. I prefer the wider, not-so-tall size of the Reduce mug, but I was willing to give this a try. Does it keep iced soda as cold and for as long as the Reduce mug? I don’t know, I haven’t tested how long it lasts, but it at least lasts long enough for my actual usage. So it’s fine. The handle is a little thinner than the other mug, but it seems enough for me to “just get used to it.” So far, it doesn’t seem uncomfortable. The black coating does look nice, but it’s already getting scratched by a plastic cup holder. So that is pretty disappointing. But worst part is the lid. Having used Bubba Kegs in the past, I’ve since grown to hate flip top lids. It’s a nightmare to clean around the hinge (where the flip top meets the lid). Sure, maybe you can get to the visible parts with a brush or a toothpick, but the not-so-visible part requires you to remove the flip portion to clean inside where the hing sits. I was able to bend the lid for the Bubba Kegs to pop out those pieces, but the Iron Flask lids doesn’t appear to allow it. While I understand the flip top needs to be snug to avoid popping open and spewing the liquid all over the place if the mug falls over, it’s far too snug for me to open with one hand while I’m trying to drive. The only option there is to leave it partially or completely open, which defeats the whole “leakproof” objective. Compared to the generic lids I have for the Reduce mug, either the opening or the vents are smaller. This means it pours more slowly and takes longer for me to get a decent “gulp” done. Not a big deal at home, but a different story when I’m doing delivery work. I’d rather finish drinking sooner than later. Similarly, due to the design on the inside, it catches my fake ice (balls of plastic with freezable liquid inside) too easily, which then blocks the flow… slowing it down even more. I had attempted to reuse the generic magnetic lid from the older mug, but it’s a press in friction type, not twist on. While I could insert the lid with minimal effort, trying to remove it was a different story. My hands are still sore from the effort. I found, ordered and received a mug that is the same size as the Reduce mug, just without the plastic band. The problem is that I’ve also been going through multiple expandable cup holders for my car to hold a 50 oz mug. The third one, which was ordered as the same time as that new mug is the shortest, allows the mug to sit the lowest and the top doesn’t wobble like the other two. But it doesn’t fit the newest mug. Holder expands to 4.8” while the mug is 5”. Seems like such a small difference, but while I can get the mug past the top of the arms, it won’t sit flat and the arms are bending quite a bit. Since they’re plastic, they’ll eventually break if I force it. So then, there’s why I have to settle for this Iron Flask mug… cause it’s the only one that fits the cup holder. Maybe if the folks that made this mug are reading this, how about a lid that fits (twist on), but uses the magnetic sliding stopper? Easier to clean, easier to use and fits. ... show more
Reviewed in the United States on July 2, 2024 by M. Wong

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