Finally, somewhere to put your drink, wherever the bottle gets opened.
4.9 from 119 Steadi reviewsA flexible-finned base that holds a stemless glass, a tumbler, a can, or the bottle itself steady — the dock, the pool ledge, the sand, the chair arm. Wherever the cork comes out, once the table's out of reach.
Keep it steady outside — from $14.95Free shipping · 30 evenings to try it on the dock, the sand, or the blanket · fits stemless glass, tumblers, cans, and the bottle — stemmed glass is the one honest miss
Stemless glass, tumbler, or can — will yours fit? The sticky note test answers it below ↓
What's really going on
Wine's glass was made for a table. You keep taking it everywhere else.
The stemmed glass does its job perfectly at dinner — flat table, steady hand, five feet from the kitchen. The moment the evening moves outside, that same glass is standing on ground it was never designed for.
Grass gives a little under any weight, and a blanket spread over it adds a second layer of give underneath. A stemmed glass has almost nothing touching the ground to begin with — set it down and the ground keeps resettling under that sliver of a foot until the glass leans and goes.
Coping is narrow, often curved, and wet from splash the whole afternoon. Reach for a sweating glass with pool-slick hands and the grip you need is at its weakest exactly when the surface underneath is at its wettest.
There's no flat tabletop out here — a glass or tumbler set on varnished or fiberglass deck slides before it even thinks about tipping. And the boat's own cup holders are cut for a can; a wine glass's bowl just sits on top of the hole.
Adirondack arms are slats, not a surface, and most folding patio chairs give you a narrow, angled strip instead of anything flat. A glass set there doesn't rest so much as balance, until the next shift in the seat ends it.
Bring a folding table and its thin legs sink a different amount into dirt or gravel over the course of the evening, tilting the whole surface toward the low leg. Bring nothing, and the glass just gets held all night, or set on ground that was never flat to start with.
None of this is carelessness. Half of it isn't even about the glass — most beaches and parks ban glass outright, which is exactly why wine has quietly repackaged itself into cans, boxes, and stemless tumblers built to survive out here. They still have to stand on the same grass, sand, and boat decks the glass couldn't handle.
You know the moment
One of these evenings already happened to you.
A glass gets set on the slatted arm of the Adirondack chair while a phone gets checked. The arm's gaps give it no real landing, and the next shift in the seat sends it wobbling.
The bottle comes open on a blanket spread over grass. The glass poured from it leans the second it's set down and not held — the ground under the blanket was never actually flat.
A can or a plastic cup gets pushed into the sand next to the chair. One gust, or one shift of loose sand underfoot, and it's over before anyone's ready to drink it.
A chilled glass sweats on the coping right as someone reaches for it with wet hands fresh out of the water — the exact moment grip is weakest is the exact moment the ledge is wettest too.
The deck slides the tumbler with the next wake before it even leans. The boat's built-in holder is sized for a can, so the glass someone actually brought never had a spot to begin with.
Wine's actual terrain
Six places wine ends up once it leaves the dining table behind.
The stemmed glass was built for a single, stationary, flat surface. Everywhere wine actually gets carried is some combination of soft, wet, curved, slatted, or moving — and that mismatch is the whole story.
Blades and soil compress unevenly under any weight, and a picnic blanket adds its own layer of give on top. A narrow glass foot sinks a few millimeters unevenly and the whole glass follows it over — which is exactly why a category of slide-on stem coasters exists just to widen that footprint.
Loose and granular, it never holds a fixed shape under weight and keeps reshaping with wind and foot traffic. Anything set upright sits in a socket that's still resettling, so a narrow base leans with no warning — and most beaches ban glass outright anyway.
A moving surface, not a stationary one, and polished wood or fiberglass turns slick the moment spray or condensation hits it. There's no tabletop to lean on out here, and the boat's own cup holders are cut for a can, not a wine glass's bowl.
Hard, narrow, often curved, and chronically wet from splash and drip. It's rarely flat enough to trust, which is why floating and clip-on holders exist for exactly this ledge — with the floating ones reported to tip once a heavier glass goes in.
Adirondack arms are slats, and most folding patio chairs give you a narrow, angled strip instead of a real shelf. Neither one was built to hold anything upright, which is why clamp-on cup holders get sold as an aftermarket fix for the arm that should have had one.
Often nothing but a cooler lid or a thin-legged folding table that sinks a different amount into dirt or gravel with every hour. With no reliable flat surface, the glass either gets held all night or set on ground that was never level.
Fit, the easy way
The fit test fits in your pocket, not a spec sheet.
lands in here
A square sticky note: 3 inches, exactly — same as the ceiling of what fits outside.
The classic square is exactly 3 inches on a side — a fact about sticky notes, and it happens to land right at the ceiling of what fits.
Look at the base only, not the bowl or the rim — a stemless glass or an insulated tumbler stands flat on its own bottom, so what you see is what matters. A stemmed glass is a different question: its foot might sit inside the square, but the thin stem above it is what the fins actually need to grip, and there's nothing there to hold.
Base sits inside the square, it fits. Hangs over the edge, it's too wide. A tiny puck lost in the middle — under 2 inches — is too narrow to grip.
No stem chart, no ground-stake spec sheet, no guessing on the sand. One sticky note, one glance, with whatever's actually in your hand tonight.
Will mine fit
The bottom inch decides what comes outside.
The rule is one line: a stemless container base 2 to 3 inches across settles in. Everything below follows from it — and the stemmed glass is the one honest exception.
- Stemless wine glass / tumbler fits
- Insulated wine tumbler, lidded fits
- Canned wine, single-serve fits
- Wine bottle, standard (Bordeaux) fits
- Wine bottle, Burgundy-style too wide
- Standard 12 oz can fits
- Lidded water bottle fits
- Stanley 40 oz H2.0 FlowState Quencher fits
- Pint glass fits
- Traditional stemmed wine glass stem in the way
- Coffee mug, handled handle in the way
There's a floor as well as a ceiling — under 2 inches the base sits too loose to grip. Two containers are the honest exceptions: the handled mug, where the base fits but the handle fouls the fin, and the traditional stemmed glass, where the foot might sit inside the range but the narrow stem above it is what the fins actually need to hold, and it isn't there.
The full fit database — Stanley, Red Bull, Yeti, and 30 more, with sourced base measurements →
Why more than one
Two identical glasses. Whose pour is whose?
At a dock rail or a patio table, everyone's drinking the same rosé out of the same style of stemless glass, and by the second pour nobody's sure which one is theirs. Two bases in different colors turn that guessing game into a glance — the sage one is hers, the berry-red one is his, settled and easy to spot from across the table.
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.
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.
Fair questions
You're probably thinking…
It's one piece of molded material with nothing to assemble, charge, or clip on — it rides in the same bag as the bottle instead of living in a drawer. Real reviews from other women saying it's still in rotation months later do more work than any brand claim could.
Honest answer: the foot might sit in range, but it's the stem the fins would need to grip, and there's nothing there to hold. Saying that plainly, instead of hoping you won't ask, is what makes the rest of the fit claims believable.
Nothing to plant, clamp, or set up — it rides in the same bag as the bottle and comes out ready. It replaces the stake-plus-floating-holder-plus-clamp pile you'd otherwise need for every different surface.
Set against a ground stake, a floating pool holder, and a chair-arm clamp bought separately — that's three single-surface gadgets for the price of one that works everywhere, with free shipping and lower per-unit cost on the multipack that covers the whole table.
The demo shows it live — a wake rocking the deck, wind moving the blanket — instead of asking you to take a claim on faith. The sticky-note fit test lets you check your own glass at home before you've committed to anything.
Ninety days of real evenings.
Take it outside for a month. If it doesn't do what this page says — on the blanket, the coping, the deck, with your glass — email hello@steadilabs.com and it gets made right. No forms, no fight.
Veteran-founded · Patent pending · Made in Orange, California
Before you buy
Asked wherever the cork comes out, answered here.
Does it actually work on sand?
That's the setting it's built for. The wide, low base spreads across loose sand instead of standing on a point that keeps resettling, and the fins hold the container so wind and shifting sand can't walk it over. Nothing gets driven in — it just sits on top.
What about grass — can I set it right on a picnic blanket?
Yes. The base rides the blanket's give the same way it rides the lawn underneath, spreading the load instead of sinking a narrow point into it. It settles back when the blanket shifts instead of leaning over with it.
Will my wine glass fit?
Depends which one. A stemless glass or an insulated tumbler fits — measure the base, 2 to 3 inches across. A traditional stemmed glass is the honest exception: the foot might sit in range, but it's the thin stem above it the fins would need to grip, and there's nothing there to hold.
I only drink canned or boxed wine at the beach — does this even apply to me?
It's exactly the case it's built for. A canned wine's base fits the same way any 8 oz can does. Boxed wine isn't a vessel itself, but whatever you pour it into — a stemless tumbler, a cup — fits the same rule.
Does it work on a boat?
Yes — it works on hard, moving surfaces at least as well as on soft ones. The wide base and the fin grip are what keep a bumped tumbler from sliding on a rocking deck, which is worth more out here than almost anywhere else.
What about the pool or the hot tub? Everything's wet out there.
It sits on the coping the same way it sits on grass or sand — the grip comes from the base and the fins, not from the surface underneath being dry. Nothing about it depends on the ledge itself.
Does it clamp to the chair arm, or attach to anything?
No. Nothing clamps to a rail, a coping edge, or a chair arm, and nothing gets staked into the ground. It sits on top of whatever's under it and moves with you from the blanket to the dock to the pool chair.
How do I clean it?
Rinse it, wipe it down, or put it in the dishwasher. It's one piece of flexible material with nothing to take apart.
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.
From
Molded closer to home than the wine ever traveled.
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. The people who make it read hello@steadilabs.com themselves, often before the cork comes out that evening.
Keep the glass wherever the bottle went.
Whatever's poured stands on the blanket, the coping, the deck, or the chair arm — steady enough that the next round is the only reason to reach for it.
Ships free — get mine before the next pourCheckout happens at steadilabs.com — Steadi Labs is the company that makes it.