A flexible base that holds your drink steady on the Adirondack arm, the cushion, or the deck boards — no screws, no spikes, from the first coffee to the last coals.
Get one for every seat — from $14.95Free shipping · 30 days outside to decide · molded in Orange, California — won't leave a ring on the arm.
Will it fit tonight's drink? Grab a sticky note — the test is below ↓
Been there
First coffee outside before the house wakes up — and the Adirondack's arm slopes just enough that you keep one hand on the cup the whole quiet hour, which is not what a quiet hour is for.
Cans only near the water — house rule, and a fair one. So the can sweats on the hot paver beside the lounger, warming fast, right where a wet hand reaches down blind.
Dinner moved out to the chat set. A gust snaps the umbrella taut, the whole table shivers, and four people grab four glasses mid-sentence like a rehearsed drill.
The fire's down to coals. Your tumbler is too wide for the camp chair's mesh sleeve, so it leans in the sag or stands in the gravel by your foot, waiting for the first stretch of your legs.
As it stands
The patio has more chairs than surfaces. Where the drink goes gets decided one slanted arm, one gust, one long lean at a time.
The wide paddle arm is sold as a drink perch — but the whole chair is pitched, built for a hillside back in 1903, and hauling yourself out of that low seat moves the arm under a can that's already slick with sweat. The add-on-holder market sells itself as the end of drinks going over on the armrest, which tells you how the default goes.
Chat height, light enough to carry — which means light enough for the wind. On pavers that heaved over the winter it rocks until someone folds a napkin under a leg, and there are whole forum threads about shimming these things level.
Deep outdoor seating is soft, sloped, and reshaping itself under everyone on it. The fabric world knows how this ends — the fabric maker itself publishes instructions for getting red wine out of the cushions.
The standard rail top is narrow and crowned. The decking trade sells a flat board to retrofit over it — they call it a drink rail — and the fact that flattening the rail is a named product is the confession that the default doesn't hold a drink.
The fallback when there's no table: down at ankle height, invisible from a low chair, squarely in the path of feet, paws, and the dark. And if it's glass anywhere near the pool, it isn't just a spill waiting — it's the reason the no-glass signs exist.
None of it wrecks the evening. It's just that out back, sitting down comes with a second decision — arm, table, ground, or hold it — and there isn't a seat on the patio that skips it.
Instant answer
A square sticky note: 3 inches, exactly — the ceiling of what fits on the arm.
The classic square is exactly 3 inches on each side. That's a fact about sticky notes — and it happens to be the exact ceiling of what fits.
Whatever actually goes outside — the tumbler, the seltzer, the stemless glass. Look at the bottom, not the rim: insulated tumblers taper, and the base is the only measurement that matters.
Base sits inside the square? It fits. Hangs over the edges? Too wide. A little puck lost in the middle — under 2 inches? Too narrow.
No ruler, no spec sheet, no guessing in the store aisle — one sticky note, one glance, with the cup that actually goes out back.
Fit check
One rule decides everything below: a container base 2 to 3 inches across settles in.
Mind the floor as much as the ceiling — a base under 2 inches sits too loose in the fins. And the handled mug is the honest no: its base is fine, but the handle arrives exactly where a fin needs to grip.
The full fit database — Stanley, Red Bull, Yeti, and 30 more, with sourced base measurements →
Mechanics
A can on a pitched arm touches it along one thin edge. The wide flexible base lays a broad footprint across the arm, the cushion, or the paver, so the slant has nothing narrow left to topple.
Flexible fins hold the drink from the sides by its bottom inch — a grip that doesn't care that the can is cold, wet, and slick with condensation.
A gust off the yard, a dog under the chat table, the long haul out of a low chair — the base gives with whatever it's sitting on, and the drink rides it out level.
The pitch, honestly
The wide base spreads across the Adirondack's paddle arm and the fins grip the drink by its bottom inch, so the drink stays put while you settle in or haul yourself out. Wood, poly, composite — it holds steady on all of them.
Soft, uneven, shifting ground is exactly what this shape was made for. On the deep sectional cushion, the base flexes with the fabric, and when someone drops down next to you the drink settles back level.
One piece of matte flexible material — no metal to rust, no mesh to sag, no screws into the furniture. Rain doesn't bother it, the hose cleans it, and it moves from chat set to fire pit to lounger in one hand.
The other options
| A screw-on Adirondack arm holder | The Patio Cup Holder | |
|---|---|---|
| Fits the chair you actually have | One ring, sized for one Adirondack arm | The arm, the cushion, the rail, or the boards |
| Getting it onto the chair | Screwed into the arm — permanent holes | Sits down, nothing to drill |
| A 40 oz tumbler | One fixed ring, sized to what it shipped with | Base settles in around the wide ones too |
| Every chair around the fire pit | A holder bought and mounted, one chair at a time | A base per person, moves to whichever seat fills up |
| Once it's mounted, staying anchored | Screwed in — it's not going anywhere | Portable, but leave it behind and it's gone |
| Cost | Another purchase, one chair at a time | One small piece, moves to every seat out here |
Mounting one means driving screws into the chair arm — permanent holes, one fixed ring, on one chair. It serves whatever happens to fit that ring, in that one spot, and helps nowhere else on the patio.
Clamp-style holders publish their own limits: they only grab thin tube arms, so the wide flat Adirondack paddle and the cushioned sofa arm are both out — and the zero-gravity tray makers tell you to pull the tray off before reclining or folding.
Per-seat coverage means the light resin and thin-aluminum tables — exactly the furniture buyers and how-to guides keep describing the wind taking first, with glass tops that have documented shatter cases and legs that rock on heaved pavers until someone shims them.
Works wherever a spike can penetrate — lawn, sand, garden bed. The makers sell twist-on flat bases for patios and decks, which is an admission the spike is useless on the hardscape where the chairs actually sit.
A real carpentry project along the whole railing, and what it buys is a standing-height ledge at the deck's perimeter — good for leaners at a party, no use to whoever's settled into the low chat set in the middle of the deck.
Why more than one
Half the yard shows up with the same 40 oz tumbler. By the second lap around the chat table, in the light of the fire pit chairs, nobody's sure which sweating tumbler is theirs anymore. A base doesn't just hold the drink steady — the color tells you whose it is at a glance.
Build your set
Pick a pack, then give each one a color — so nobody has to ask which drink is theirs.
From the reviews
Recent reviews of the Steadi, from every room and rig it lives in.
It works quite well........just need a little more time using it to get the best results.
Susan C. · 2026-07-28Genius! Finally I can sit in a corner of the couch and have my drink next to me. Works beautifully, sturdy and stable. I'm very happy I found this item.
jlhinckley · 2026-07-28Works great! If it saves you from cleaning your sofa or rug or washing anything it is worth it. Give it a try!
Marsha B. · 2026-07-25My kid doesn’t spill his drink in his bed anymore so….. it’s a win!
Jason R. · 2026-07-25Love these!
Angela C. · 2026-07-25Really does keep your drink cans and bottles from tipping over! We are quite impressed with these!
SPK · 2026-07-25All 98 reviews are for the drink base itself, collected across every place people use it.
Take it outside for a month. If it doesn't do what this page says — on the arm, the cushions, the deck — email hello@steadilabs.com and it gets made right. No forms, no fight.
Veteran-founded · Patent pending · Made in Orange, California
Origin
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, usually somewhere between the first coffee and the last coals.
Honest answers
That slanted paddle arm is exactly the kind of surface it was shaped for. The wide footprint spreads across the arm and the fins grip the drink by its bottom inch, so the pitch of the chair — and the lurch of getting out of it — don't take the can along. It resists tipping; nothing bolts down.
That's its home turf. Soft, uneven, shifting surfaces are what the flexible base was made for — it spreads across the cushion instead of sinking a point into it, and when someone drops onto the seat next to you it flexes with the foam and settles the drink back level.
Wind clears patios by getting under light, tall things — that's why the side table goes over and the umbrella is a sail. A drink gripped by its bottom inch on a wide, low base gives a gust far less to work with than a bare glass standing alone. It resists tipping; a real storm is still a storm, so when the umbrella comes down, bring the drinks in too.
Yes. It's one piece of injection-molded flexible material — no metal to rust, no mesh to sag, nothing to come apart. Rain and soaking don't hurt it. Hose it off with the deck, or wipe it down after a sticky evening — skip the dishwasher; heat is the one thing not recommended.
Two things. Glass bans near water exist for good reason, and this doesn't change that — it holds cans, plastic cups, and lidded tumblers just as happily. And it doesn't float: if it goes in the pool, it sinks, and it's fine once you fish it out.
Check the bottom, not the rim. A base 2 to 3 inches across settles in — the 40 oz Stanley fits. Handled mugs don't: the handle lands where a fin needs to grip.
No screws, no clamps, no spikes, no adhesive. It sits on top of whatever surface the evening offers — arm, cushion, table, rail, deck board — and moves with you from the chat set to the fire pit in one hand.
It sits between the sweating can and the arm, so the condensation that would have pooled straight on the wood lands on a rinseable piece of flexible material instead. And the material is matte and soft-touch — softer than the furniture it sits on.
Tables serve the seat they're next to, on the days the wind and the pavers cooperate. This goes where the drink actually is — the arm, the cushion, the ground by the fire pit — and it has no legs to rock on a heaved paver; it flexes to the surface instead.
Late-summer yellow jackets are real, and this is an open holder, not a lid. The honest pairing is a lidded tumbler or a can — it holds either steady, and the lid handles the wasps.
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 30 days to change your mind.
The can stands steady on the arm, the tumbler rides the cushion beside you — and nothing of yours waits at ankle height in the path of feet, paws, and the first gust of the evening.
Shop patio colors — free shippingCheckout is on steadilabs.com — Steadi Labs is the company that makes it.