Finally, somewhere to put your drink at the game.
4.9 from 119 Steadi reviewsA flexible-finned base that holds your coffee, Gatorade, or 40 oz tumbler steady on grass, bleachers, or the cooler lid — even when the whole row jumps up for a goal.
Get one for the wagon — from $14.95Fits your 40 oz Stanley. Ships free. 90 days to try it on your own sideline.
Will it fit before it ever hits the wagon? A sticky note answers it — the test is below ↓
The status quo
Every sideline is missing the same thing.
Somewhere between the parking lot and the third inning, every drink in camp ends up with nowhere good to sit — and it happens at every field, every weekend, all season.
The mesh ring sewn into the armrest looks like the answer until the first goal — gear testers call these holders shallow and tippy, sized for a can, and the whole thing tilts with the armrest the instant the sitter stands up to cheer.
A sideline that looks flat is graded to shed water — fields are crowned on purpose, and the turf itself is tufted, torn near the touchline, and often still wet with dew at an early kickoff. A tall cup has no footing on any of it.
The standard aluminum seat board is ten inches wide, shared with whoever's sitting next to you, with gaps between the planks below. Every family climbing the row bounces it.
It's the only rigid flat surface in camp, which is why everyone uses it as a table — right up until a kid wants a drink and the cooler has to open, sweeping the lid clear.
Dugout dirt, gravel aprons, the wagon bed — hard but never flat, and squarely in the path of siblings, foul balls, and a dog on a leash that's had enough of standing still.
None of it ruins the game. It's just the same small workaround, rebuilt at every field, every weekend, for an entire season.
It's happened to you
Same five minutes, every field, every weekend.
The drive-thru coffee makes the trip from the overflow lot in the wagon, and off it goes onto a dew-wet, crowned sideline with nowhere to set it — so it rides in one hand through both chairs and the canopy going up.
The whole row comes out of its chair at once. The armrest flexes, the mesh pocket tilts with it, and whatever was riding in the built-in holder goes over — right as everyone's looking at the field instead of the ground.
The team swarms the cooler for their pouches, and the lid — the one flat surface in camp — gets swept clear to open it. At least one drink doesn't make it back onto solid ground.
The sun's moved, so the whole setup — chairs, canopy, cooler — shifts twenty feet to follow the shade, and every drink in camp gets picked up off the grass and resettled on a new patch that isn't level either.
Another family climbs the row and the plank bounces underfoot. The tea on the footboard skates toward the gap, and whatever goes over doesn't just spill — it drains straight through onto the bags stashed below.
One-note test
Test it before it ever goes in the wagon.
lands in here
A square sticky note: 3 inches, exactly — the same ceiling that decides what makes the wagon.
The standard square measures exactly 3 inches on a side — a fact about sticky notes, and it happens to double as the ceiling of what fits.
Before the Stanley or the Gatorade bottle ever makes it to the wagon, set it on the note and look at the base, not the rim — a Quencher tapers, and a koozie flares wider than the can inside it.
Base sits inside the square? It fits. Hangs over the edge? Too wide. A tiny puck lost in the middle — under 2 inches? Too narrow.
No stake to test in the backyard first, no guessing in the parking lot before an 8 AM game — just the cup you're already packing, checked once, before the first whistle.
Fit, answered
The bottom inch decides what survives the sideline.
It comes down to one number: a container base 2 to 3 inches across settles in — the floor matters as much as the ceiling.
- 40 oz Stanley-style tumbler (the Quencher) fits
- Drive-thru hot coffee, 16-20 oz fits
- Gatorade 28 oz squeeze bottle fits
- Standard can or seltzer, koozie or bare fits
- Slider-lid tumbler, 20-30 oz fits
- Insulated steel bottle, 32 oz fits
- Insulated steel jug, 64 oz too wide
- Capri Sun or juice pouch no base to hold
- Team water jug with spigot too big
- Coffee mug, handled handle in the way
There's a floor as well as a ceiling — under 2 inches, the base sits too loose, which is the trouble with a juice pouch or anything skinnier than a seltzer can. And the coffee mug a few parents still bring to an early game is the honest exception: the base fits, but the handle sits exactly where a fin needs to grip.
The full fit database — Stanley, Red Bull, Yeti, and 30 more, with sourced base measurements →
The value
Three reasons it earns its spot on the sideline.
Stands level on ground that was never level.
The wide, low base spreads across clumped, crowned grass instead of balancing a narrow point on the slope. It resists tipping on the exact terrain — turf, dirt, gravel — that beats stakes and built-in chair holders alike.
Sized for the tumbler, not the can it replaced.
The drive-thru coffee, the Gatorade bottle, the can in a koozie, the 40 oz tumbler — cans and bottles slide on, cups and tumblers drop through the fins and get gripped by the bottom inch, wider than any chair-arm mesh ring was built to fit.
Moves with the camp, not against it.
No spike to plant, no clamp on the armrest or the bleacher rail — it sits on the chair, the plank, the cooler lid, or the grass itself, and relocates in a second when the shade does. One thing that settles in wherever the day lands, instead of four single-purpose ones.
Why more than one
Two identical Stanleys. Whose is whose?
Half the sideline is carrying the same tumbler now — same size, same brand, no sticker to tell them apart. Between innings, both cups end up parked on the same cooler lid, and nobody's sure which one's been sitting in the sun since the second inning.
Build your set
Give everyone their own.
Pick a pack, then give each one a color — so nobody has to ask which drink is theirs.
Fair questions
You're probably thinking…
It's one molded piece — no hinge, clamp, or spike to break. Steadi Labs makes it in small runs in Orange, California, backed by a 90-day guarantee, so you get a season to prove it out before it's a final yes.
The base needs to land between about 2 and 3 inches across — the 40 oz Stanley fits. Set it on a 3-inch sticky note before it ever goes in the wagon and see it for yourself, not just take our word for it.
Nothing stakes and nothing clamps. It sits on top of grass, turf, a bleacher plank, or a cooler lid the same way, so the fields that ban stakes aren't a problem.
Because that one tilts with the armrest the second the row stands up to cheer. This isn't part of the chair — it settles in on the chair, the plank, or the ground on its own footing, so a jump out of the seat doesn't take it with you.
It ships free and costs less than the coffee that keeps sliding off the armrest. Ninety days to actually use it on your own sideline before it's a real yes, not a guess off an ad.
From the reviews
What buyers say.
Recent reviews of the Steadi, from every room and rig it lives in.
I have a tendency to spill my drinks and have two cats. This is one of the best things I’ve ever impulse bought. It works. It actually works. It’s a heavy, wide enough base that it is actually stable. My “spot” in the living room is near a somewhat-cushioned fabric ottoman, which is where I usually put my drinks. It’s
Dixie · 2026-08-30I love mine. I just wish the price was more appropriate. $15 seems a lot for a small plastic item. Reduce it to $9.99 and free shipping and I'll buy a few more!
Carolyn G. · 2026-08-27Excellent!
Brian S. · 2026-08-27Thank you for your service!
Brian S. · 2026-08-27It’s great love it
gilbert a. · 2026-08-24I never knock over my water at night anymore!
Customer · 2026-08-21All 119 reviews are for the drink base itself, collected across every place people use it.
Instead of what you do now
The rest of what's already in the wagon.
| The chair's built-in cup holder | The Sports Parent Cup Holder | |
|---|---|---|
| When the whole row jumps up | Tilts with the armrest, drink goes too | Sits on its own footing, resists tipping |
| Fits the tumbler you carry now | Sized for a 12 oz can, not a 40 oz Stanley | Holds the can and the Stanley both |
| Up on the bleachers | No armrest up there, nothing to hold it | Same base settles onto the plank |
| On the cooler lid or bare grass | Only exists sewn to the one chair | Sits anywhere camp lands that day |
| A kid or wagon wheel bumps it | Flexes with the frame, drink flexes too | settles back down on its own |
| Cost | Already on the chair, nothing extra to buy | One small piece added to the wagon |
| Moving to the next field | Travels only if that exact chair does | Tosses in the wagon by itself |
Gear reviewers document the same complaints across brands: shallow, tippy holders that can't secure a wide-bodied bottle, and that fail to keep a drink upright the moment the sitter stands — which on a sideline is constant. The kids'-chair version is sized for a 12 oz can, not what anyone actually packs now.
It needs soft, cooperative dirt to plant in the first place, and reviewers report hard-pack and gravel defeating it outright. Once it's in, it wobbles on uneven ground and tips in wind — and it's not allowed on turf at all, which rules out a lot of the fields it would need to work at.
It's the only flat surface in camp, so everything lands there — until a kid wants a drink and the cooler has to open, evicting the lid's whole arrangement into the grass at halftime and between innings, the busiest moments of the day.
They add back support, not a drink spot — the category solves comfort and leaves the cup exactly where it started, on the shared plank or the footboard by everyone's feet.
Ninety days of real games.
Bring it to a month of games — sideline, bleachers, cooler lid, all of it. If it doesn't do what this page says, email hello@steadilabs.com and it gets made right. No forms, no fight.
Veteran-founded · Patent pending · Made in Orange, California
Q & A
Asked between innings, answered here.
Does it actually work on grass?
That's the terrain it's built for. Game fields are crowned and the turf is clumped and uneven, so a narrow base has nothing level to sit on — the wide, low footprint spreads across the tilt instead of perching on top of it, and the fins keep the drink from rattling loose when someone bumps the chair. Push it off level and it settles back.
My kid's chair cup holder already dumps the drink the second we stand up to cheer — will this be different?
That's the exact failure it's designed around. The mesh pocket tilts with the armrest because it's part of the chair; this sits on top of the chair, the ground, or the cooler lid instead, and the fins hold the drink from the sides so a jump out of the seat doesn't take it with you.
Will my 40 oz tumbler fit?
Measure the base, not the rim. A container 2 to 3 inches across fits — the 40 oz Stanley does. Handled mugs don't; the handle sits right where a fin needs to grip.
Does it stake into the ground or clamp onto anything?
No. Nothing plants in the dirt and nothing clamps to a chair arm or a bleacher rail. It sits on top of whatever's under it and moves with the camp in a second.
What about up in the bleachers?
It works at least as well on the aluminum plank as it does on grass — the wide footprint and the grip keep a bumped drink from sliding toward the gap between the boards.
Can I set it on the cooler lid or the tailgate instead?
Yes — hard, flat surfaces work at least as well as soft ones. That's worth having specifically because the cooler lid gets swept clear each time it opens.
Kids are running everywhere and someone's always bumping my chair — does that end it?
That's the exact chaos it's built for. A kid running past knocks the chair, the row scoots over to make room, a wagon wheel catches a rut — the base's low, wide weight rocks and settles back down as the ground under it moves. It resists tipping, though it isn't magic: a square kick straight to the base will still take it over. The everyday jostle of a sideline is what it shrugs off.
How do I clean it after a day of dirt and grass?
Rinse it, wipe it down, or put it in the dishwasher. It's one piece of flexible material with nothing to come apart and nowhere for grit to hide.
Who makes it, and where do I buy one?
It's called the Steadi, molded in small runs in Orange, California by Steadi Labs — veteran-founded and patent pending. Every order ships free from steadilabs.com, with 90 days to change your mind.
Provenance
Closer than field 4 is to the parking lot.
The maker is Steadi Labs, a small veteran-founded company in Orange, California. It's injection molded in small runs, and nothing about it travels far — the mold, the material, and the color runs all sit within about three and a half miles of the shop, closer than most sidelines sit to their own parking lot. The people who make it read hello@steadilabs.com themselves, usually before the first pitch.
Steady from the first pitch to the last out.
The drink stands wherever camp lands — chair arm, bleacher plank, cooler lid, or grass — through the goal, the change of innings, and the two-hour gap until the next first pitch.
Get one for the wagon — ships freeCheckout is on steadilabs.com — Steadi Labs is the company that makes it.