Thermos Matt Black Ultimate Drinks Flask (900ml) 24h Hot | 24h Cold | Adults/Mens stainless steel metal thermal insulated leakproof drinks water bottle with coffee cup/mug lid for travel, camping

The Thermos Ultiimate drinks flask unique feature is in its ability to keep drinks scalding hot for 18 hours and hot for 24 hours. I purchased 2 of the smaller size (previous model) one for me and one for my wife about 15 or more years ago and they have never failed to impress on how hot they kept our tea or coffee. They are quite tough and resilient . Unfortunately I dropped mine once too many times , but without blinking instinctively reordered a new one within a heartbeat.Ooops, my eagerness caused me to order the larger 900ml size in error. I will keep it for hot water when we do go out together, as I drink coffee and she drinks Tea.I have already ordered the smaller size ( currently available from TK Max at under £20 and ordered on line for collection tomorrow I can’t wait).Originally I used it for work knowing wherever I was driving to around the country I had a hot coffee to enjoy and even if half drunk a very warm coffee at the end of the day before I started to drive home. I found the smaller size quite adequate to last me throughout the day providing 2 cups of coffee throughout the day.Life without one is almost inconceivable, that is how impressive the Thermos Ultimate flask is.I will keep the larger 900ml size and not return it as even though it is too large for my regular use as I’m sure it will come in useful on the odd but critical situation e.g. Overnight keeping water hot for the morning on a Trip or if I’m in bed unwell a hot drink to hand all day or overnight. It will also be great for cold drinks if going on a picnic or to the seaside with family .It may seem expensive but it truly is a long term investment. 20 out of 10.

I recently purchased the Thermos Ultimate Series Flask in Charcoal, 900 ml, and it has exceeded my expectations in every way. Here’s why it deserves a full 5-star rating:Pros:Exceptional Insulation: This flask keeps my drinks hot for an impressively long time and cold for way longer than 24 hours. Whether I'm out hiking, camping, or just on a long road trip, my beverages stay at the perfect temperature throughout the day and beyond.Durable Build: The build quality is impressive. Made with high-quality stainless steel, it’s robust and can withstand the rigors of outdoor adventures. The charcoal color also gives it a sleek, stylish look.Leak-Proof: The flask is completely leak-proof. I’ve carried it in my backpack, and not a single drop has spilled, which is a huge plus for me.Easy to Use: The lid doubles as a cup, which is very convenient. The pouring mechanism works smoothly, and the wide mouth makes it easy to fill and clean.Perfect Size: At 900 ml, it’s the ideal size for carrying a substantial amount of beverage without being too bulky. It fits well in my backpack and is great for both solo adventures and sharing with a friend.y. It fits well in my backpack and is great for both solo adventures and sharing with a friend.Cons:Weight: Given its solid build and capacity, it’s a bit heavier than some other flasks. However, this is a minor trade-off for the durability and insulation performance it offers.Overall:The Thermos Ultimate Series Flask, Charcoal, 900 ml, is a top-notch product that lives up to its name. It provides outstanding insulation, durability, and convenience, making it an essential item for anyone who enjoys outdoor activities or needs reliable temperature control for their drinks. Despite being slightly heavier, its performance more than makes up for it.

Being an outdoor worker in Wales, I've owned a lot of different flasks - including quite a few Thermos ones. ALL of them before this one had a major flaw - once some of the liquid (tea) was consumed, the cold air that replaced the tea cooled the rest down to a tepid temperature within 4 hours.I've always disliked the easy-pour/flip lids (actually, particularly on the standard 1L Thermos flasks - I've had two and on both of them the stoppers gave up within a year), but this double screw one actually works well, and alongside the excellent build quality of this flask, even half full/half empty (to those philosophers out there - they're the SAME THING!!!) it's still piping hot, 8 hours later.I purchased the 900ml 3 months ago, and so far have appreciated its excellence. There's no denying it's expensive, but you get what you pay for - this isn't Thermocafe or standard Thermos, it's an elite well-designed, practical flask. The only downside for me was that I had to cut some rubber off the cup/lid to allow it to fit in my (Iveco Himatic) van's cup holders.I stopped to write this review in the middle of purchasing the 500ml version, for lunch soup. I'd recommend the 900ml version unreservedly, it is seriously the best flask I've ever owned in terms of keeping stuff hot.

The best flask I never knew I needed. It keeps tea piping hot for literally hours. Very easy to pour from the spout and the fact I don't have to remove the lid altogether ensures drinks will remain hot. The lid feels secure when you twist it shut and does not feel like it will come loose when traveling to ensure it wont leak. With a 900ml capacity, it will keep me going all day without the need for top ups. Love the black and orange colour scheme and although it has protection top and bottom, I bought the official thermos pouch to store it in as the matt black finish is painted. It is just about the right size to fit in most car cup holders and easily fits in my backpacks side pockets. Hoping to enjoy drinking from it for years to come 🤞

This is the second time I’ve bought a Thermos stainless steel mug because the quality is good and reliable. I tested the new one with hot water, and it was still hot after 24 hours.

Amazing quality and heat retention! A must for new mums/dads for hotshot formula making inside the house, through the night or out and about

I have previously owned Stanley Flasks and, despite their shortcomings, I continued to purchase them. However, I now recognize that this particular product, which I have used in the past, offers superior performance. Thermos products are known for their excellent heat retention and overall quality, consistently outperforming other brands. This item comes with a two-year guarantee, and based on my experience as a plant driver, I anticipate it will last significantly longer, even with regular use on a construction site. While its capacity is less than one liter, it is perfectly adequate for my daily tea consumption.

Genuinely keeps coffee hot for up to 24 hours! As per other reviewers, mildly annoying that there is an instruction leaflet inside the flask but unscrew the grey cap insert and it's easy to put your finger in and winkle it out!Forget all the other johnny-come-lately flask companies (many of which I have tried) Thermos is clearly the best.

Cool, hot, it woks well

This little lightweight thermos provided a timely hot coffee on the trail as I recently hiked the Tasmanian highlands. Recommended.

I made tea even after 24 hours, i couldn’t believe my eyes. Lightweight. Best design. I love it

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Ça fait quelques Thermos que j’achète pour mes expéditions hivernales. Mais celui-ci c’est le plus performant de tous. J’ai fais un test au congélateur (-18) avec de l’eau bouillante à l’intérieur et je l’ai oublié dedans pendant 22 hrs. Le matin j’étais curieux et l’eau étais encore chaude. Je recommande.