Excelent Brand and Product.
Its The 4th Iron Flask we buy and they are very good, Top Brand at a very Accesible Price, Great Colors, and not only they will keep your beverage cold and ice will last a lot but also strong built.

The Hulk of Hydration Bottles
This IRON °FLASK is the water bottle equivalent of a superhero—tough, reliable, and seemingly impervious to the elements. I got the 40 oz in Midnight Black, and it’s been my sidekick for everything from hikes to errands, keeping my water icy cold for hours (seriously, it’s borderline magical).The stainless steel construction is built to last—durable enough to survive drops, bumps, and whatever chaos life throws at it. And the three lid options? Genius. Whether I’m sipping through the straw, chugging water like a pro, or sealing it up tight for travel, this bottle has me covered.Best part? It doesn’t leak. Not a drip, not a drop. Throw it in your bag and trust it won’t turn your belongings into a soggy mess.If you’re looking for a bottle that’s as cool (literally) as it is functional, this is it. It’s the perfect blend of form, function, and durability—10/10 recommend for anyone who takes hydration seriously.

Love these! I’m definitely addicted!
I never understood the Stanley craze until I started buying these bottles. I bought my first in 2022, and now I have a full on collection of them! (And just bought another today LOL). In my defense, I take 2 with me to work daily, and sometimes need another 2 for the next shift if I’m working a double. (One is for a caffeinated cold beverage, the other is always for H2O… and I’m a snob and only drink filtered water from home with ice made from filtered water). Having more bottles means that I can go a few more days before washing all of the used ones!First the negatives: as pretty as the “aurora” color is, it is a different texture and scuffs/scratches very easily. I have not had this problem with any of the other colors (although the rose gold is a slightly different texture as well). I have broken one carabiner clip on a straw lid, but I tend to fidget with them when stressed/bored so not unexpected. The bottom of the bottles can be a little slippery depending on the surface – I bought 2 silicone boots to negate this.Now the positives: I like my fluids ice cold, and each of these bottles keeps my drink cold with ice frozen for about 36-48hrs depending on the outside temperature. I haven’t tried them with anything hot at this point. They never spill, as long as I actually close the lid correctly (I only use the straw lids… not the other two that each bottle comes with). I like that the straw lid folds down, which is why I don’t have more of the copilots. They are easy enough to clean with a bottle & straw brush. I do admittedly switch between them daily, but no signs of mold growth in any of them, ever. The bright beautiful colors make them stand out and prevent them from “walking away” with a coworker “accidentally”. They do not make noise when drinking and the separately bought silicone boots keep them silent on the desk, but honestly are not necessary – I just prefer them. The brand also has a paracord handle that works fine, but I don’t typically use the one I bought.For reference, the attached pic is a 22oz elemental grey, 32oz blue waves, 40oz dark night & bubble gum & aurora, and then 40oz copilot in rose gold. I included a pic of a scratch on the Aurora from one single trip inside my work bag. The others make the same trip daily (and have for 3 years now) without a single scuff.

Favorite water bottle ever!
I absolutely love this water bottle! So much so that my husband refers to it as my emotional support water bottle! It keeps my water cold all day with no ice! I love filling one water bottle and having water all day! It’s actually the only water bottle I use anymore! I have a really hard time with taste when it comes to drinking out of water bottles and this is the only one I have tried that I can honestly say has not changed the way my water tastes! The only thing I wish they would improve is the sport lid does leak a tiny bit if it is laying on its side. It sits perfectly in the passenger seat of my car. As long as you don’t mind a larger heavier water bottle this is the perfect one! I have actually bought one for every person in my house because I love it so much!

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Me encanto!! Compré dos y estoy feliz, resistentes, la pintura de muy buen calidad y diseño, el agua mantiene su temperatura muy bien y sobre todo el agua no se sale aunque el cilindro se caiga. Súper recomendados!!!

Lo compre para saber en realidad cuanta agua tomo al día, no se tira el agua.