Thermos Intak 24-Ounce Tritan Hydration Bottle with Meter (Teal), One Size,

I absolutely love these. They are just the right shape and capacity to last for hours and still fit in the side pocket of my backpack. You can use them one handed, but can also lock them against unintended opening. Plus they're cheap! So if I leave one in an airport terminal, I don't cry too hard. I own several of them. My only complaint is that the metal locking clasp thing can sometimes fall off. But that isn't worth a star, so five it is!

I bought this because being a regular gym goer, I must intake a good amount of water throughout the day. In addition, by being in the military, I am encouraged to stay hydrated at all times. This bottle is the perfect tool to enable me to accomplish that goal. Also, I was fed up with buying and throwing away so many relatively expensive 1 liter "sport" designed bottled water bottles. I wanted to save money and my trashcan buy purchasing the cumbersome, albeit less expensive 1.5 liter bottles (hey I'm trying, environmentalists). I would've gone with the 5 gallon jug, but it is just too impractical to pour and it doesn't fit inside my fridge (or my trashcan).Design: This is a tall and slender bottle made of BPA-free plastic, with a fairly solid loop for attaching it to things (and vice versa), which fits in with many other styles on the market. For grip, it has a wide textured surface running down one side, which also curves slightly inward, allowing a more comfortable hold for smaller hands. On the reverse, it has a dual measurement scale in liters and fluid ounces. The liters scale goes from 0.1L by every 100 milliliters up to 0.6L, while the fluid ounces is scaled from 4oz by every 4 ounces to 20oz, although it can hold 24 ounces. The look is very interesting and unique, as far as plastic water bottles go.Performance: Well, I have very large hands and it is indeed comfortable to grip. I assume that the textured side is where the fingers wrap around to, but in any case, you can have it on either side, depending on how you twist the cap onto the bottle. Now onto the cap, which is this bottle's bread and butter. It twists off with ease, opening the way to the wide mouthed opening of the base, which allows for easy pouring into and for dropping in large solid objects, like ice. It has a silicon seal inside, so it stays put with no leaks when you twist it back on. The mechanism for drinking is by way of a large thumb button on the front and a flip-top lid. There is a thin metal latch that flips up nicely over and around the button so you don't have an accidental discharge of all your liquid inside your bag or on the floor. The bottle is touted as no leak because the flip-top lid has a silicon pad underneath which creates a seal on the "spout" when closed. In fact, the entire mouthpiece is covered, protecting it from the environment. Another useful gimmick added to the lid is a rotating dial on top which is there to help keep track of how many bottles you drink.Usability: First off, I've used many different hydration containers with all sorts of mouth pieces and I must say, I don't like putting my mouth on stuff when I drink out of it. The bite valve used on CamelBak's bottles and hydration pouches is pretty novel, but I not only have to put my mouth on it (leaving residue), but also bite into it, thereby grinding everything it is exposed to further into the valve and sucking up whatever is left. The squeeze bottles where the seal breaks when enough pressure is applied is okay, but they just aren't solid enough for me. Thermos finally has it right. The flip-top lid works exactly as it should. You press the button and it quickly snaps open and stays there, due to a small silicon band wrapped in a way that applies constant tension to the lid, but is easy to snap close with one finger. The mouthpiece is perfect for me because it is large (but not too large) enough for me to basically pour a steady stream of water into my mouth for quick hydration. The true test is when you aren't thinking about it like, say, when at the gym doing high intensity workouts. The mechanism was so smooth (open and close) that it did not interrupt or deter me one bit. As for the rotating dial, it takes more than you think to turn this thing. Being smooth plastic, you really must put some pressure on it to rotate it, even with the grooves. It is still functional to me.Overall, for my purposes, this is an excellent and unique design for a hydration bottle. Because there aren't many porous internal surfaces, you can put liquids other than water in there. But, not for long and you must rinse it out immediately afterwards, so I wouldn't recommend it. Just an FYI, if you do not care about the rotating dial, Thermos also makes a similar Under Armour version which has a slightly shorter lid and smaller thumb button. The bottle also seems to be made of slightly thicker plastic, so it maybe could survive harder crashes. I can't really say for sure. It is also slightly cheaper at $15.99 right now on Amazon, but only $12.99 in the PX for those in the military.

I appreciate the design, quality, and functionality of this attractive, light-blue plastic thermos.

This is my favorite Thermos water bottle because it has the flip top and hinged handle. I’ve had several of this same style but in all cases after only about 6 months of use the white elastic o-ring that flips the lid open breaks so the lid no longer pops open. Contacted Thermos. Lids are not covered under warranty and need to purchase one for $3.75 plus tax and shipping. I use this bottle everyday and knowing these won’t last a year, I found a replacement silicone o-ring on Amazon. Twenty pack currently for $6.59 (ASIN B07MNMD168, Silicone O-Ring, 20mm OD, 14mm ID, 3mm Width). Replacing it isn’t too difficult. Just push out the silver pin on the hinge and pull it out from the other end with pliers so the lid and handle comes off. Install the new o-ring and reinsert the pin. Problem fixed. As long as nothing else breaks I’ll have more than enough o-rings to have a working lid for a while. Since I lug this water bottle with me everywhere I go this solution works best for me. If you use it infrequently then ymmv.

I love this water bottle. It's tough, doesn't leak and is easy to clean.

Thermos Intak water bottles have been my go-to for years. They're easy to fill & clean, they can be locked so they don't pop open if I drop them, and they have a plastic finger loop so I can carry them even if my hands are full. Great price too.

Instruction manual is too small to ready.