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The Quencher is for the person who fills a cup in the morning and doesn't want to think about it again. Forty ounces, a molded handle, and a straw that stays where you put it — it's 11 inches tall and 1.2 pounds empty, so it lives in a cup holder, a stroller caddy or the crook of an arm rather than in a bag.

The FlowState lid is the part worth understanding. A rotating cover gives you three positions — straw, open chug and closed — so the same cup works for iced water at a desk and a fast drink between meetings. It's the detail we appreciate most: the straw tucks under the cover when you're not sipping, and cup and lid both go in the dishwasher. Stanley's lifetime warranty is the other reason this one is easy to recommend over a lookalike.

It is not leakproof. With the cover open, the straw hole is an open hole, and a tipped cup empties itself. Stanley doesn't claim otherwise, and if you keep it upright — cup holder, desk, hand — you'll never think about it. If it needs to lie down in a bag, look at the IceFlow or the Owala instead.

Forty ounces full is a lot of weight on one wrist, and the body is wide enough that some car consoles and shallow cup holders are a squeeze despite the tapered base. What you get in return is a full day of water without a refill, which is the entire point of the cup.

The Trek does the same job as the Quencher — 40 ounces, a handle, a straw — for noticeably less money, and in one respect it's the better cup: the lid is designed to hold a drink in rather than to pour it out. That's the trade between these two.

Simple Modern calls the lid leak resistant, and that's the accurate word. The cap seals down over the rim, and the straw opening is the one place a tipped cup will weep — a couple of drops rather than a puddle. You also get two straws in the box, one color-matched and one clear, which sounds trivial until one of them is in the dishwasher.

We rate it the value pick of the group, and not only on money. The handle is a full loop that a hand actually fits through, the base is 5.46 inches wide so it drops into a car cup holder, and the matte finish has come through our dishwasher runs without going chalky. The limited lifetime warranty covers the vacuum seal rather than just the paint.

It isn't as refined as the Stanley. The lid has a simpler feel in the hand, and at 10.46 inches tall it's a tall cup to store. For most people those differences stop mattering by the second week. If you want the big-cup experience of a Stanley cup without paying for the logo, this is where we point people.

The IceFlow's lid is a flip straw, and that single choice changes how the cup gets used. Flip it up to drink, snap it down and the seal closes. It's the design here that's equally at home in a car cup holder and inside a gym bag, which is not something the big straw cups can say. At 30 ounces and 11.2 ounces empty, it's the middle child of this group: more than a coffee cup, less than a full-day jug.

The rest of the package is well thought through. The carry handle is built into the lid, so you hold it from the top instead of wrapping a hand around a cold body, and the base is cut for a cup holder despite the tall shape. Stanley lists 20 hours cold and up to three days iced; treat the second number as a best case with the cup packed with ice and the lid shut.

We like it most for the in-between trips — the commute, the walk to the gym, the school run — where a 40-ounce cup is too much cup and a 20-ounce coffee tumbler runs dry before you're home. The removable spout and replaceable seal mean the lid comes apart for a real wash, which is more than we can say for some flip lids, and the body is dishwasher safe.

The trade is capacity: 30 ounces is a water bottle's worth, not a day's worth, and you'll refill it around lunch. It's also tall and narrow enough to feel like a bottle in the hand rather than a cup, which some people love and others don't.

The SmoothSip's party trick is a sliding spout you drink through rather than a straw or an open lip. Slide it back, sip, slide it closed, and the lid seals completely. Turn the cup upside down with the slider shut and nothing comes out, which is rare enough in this category that it's worth saying twice.

That's why we recommend it to anyone who carries coffee in a bag. A 20-ounce cup that seals this well is unusual, and Owala backs it with 6 hours hot and 24 cold, which covers a commute and a morning at a desk. The spout itself is comfortable — wide, rounded and angled so you're not tipping your head back — and the lid disassembles fully for cleaning, which matters more with coffee than with water.

Size is the other thing to weigh. At 3.25 inches wide and 8.51 inches tall with no handle, it's a cup for a car holder or a desk rather than one you carry on a walk. For coffee, that's the right shape; you're not hauling 20 ounces of latte around a park. If you want one cup that covers the whole day, the Stanley IceFlow does more of it.

Two mugs, not one. The SnapSeal ships as a pair in Blue Corn and Midnight Berry, and that changes the math: this is the least expensive way here to put a leakproof travel mug in the car and another at the desk. For a couple, or a two-car household, it's the practical buy in this group.

The lid is the interesting part. There's no cap to unscrew — you press the SnapSeal lever, drink, and press it shut, which is what you want at a red light. Closed, it's leakproof, and Contigo rates it hot for 7 hours and cold for 18, both longer than the cup-and-commute window it's built for. The textured band around the body earns its keep when your hands are full or wet.

We like that it covers both jobs: it fits a car cup holder and slides under most single-serve brewers, so it moves from the kitchen counter to the console without a second cup. The 20-ounce body is 8.54 inches tall, short enough for a machine and narrow enough for the holder. Where it falls short is finish: these are plain cups, with no handle and no straw option, and a look that's more fleet vehicle than kitchen shelf. At this price we think that's the right call.

The Konokyo costs the least of the big cups here, and it doesn't feel like a compromise. Forty ounces, a sturdy handle, a tapered base that sits in a car cup holder — the parts of a premium cup are all present, in a 1.1-pound body that stands 10.6 inches tall.

It screws on: a couple of turns and the lid is locked, where most cups at this size press a lid onto a gasket and hope. That means you can carry it by the handle without worrying about the top letting go, which is the thing that ends a press-on lid's life in a backpack. There's a flip top for hot drinks, a straw port for cold, and two straws plus a spare seal in the box.

What you give up is refinement. The powder coat is thin enough that a hard knock leaves a mark, and the handle flexes a little under a full 40 ounces. For a cup that mostly holds water at a desk or in a car, we think that's a fair trade for the money.

Sixteen ounces and 7.21 inches tall makes the Huron the smallest cup here, and that's the point: it drops into a work bag's side pocket, fits a small hand, and sits in the shallow cup holder of a compact car. Where the 40-ounce cups are a commitment, this is a mug you grab on the way out.

We recommend it for exactly that commute. The screw cap seals down hard enough to go in a bag, the double wall keeps coffee hot through a morning and cold drinks for half a day, and it fits under most single-serve brewers, so you can brew straight into it. It's also the least expensive way here to get a mug you won't mourn if it's left in a conference room.

The trade is obvious: 16 ounces is one large coffee, and a long drive or a meeting-heavy morning empties it before you're ready. It's also a plain cup — no handle, no straw, a finish that's more functional than good-looking. If you want one cup for the whole day, this isn't it. If you want a small one that seals shut in a bag, it is.