A flexible base that holds your coffee, your iced tea, or the grandkids' lemonade steady on the arm of your chair, the porch rail, or the card table — for the seat everyone in the house already knows is yours.
See it at steadilabs.com →Free shipping · 30 days to change your mind · Molded in small runs in Orange, California
Will your cup fit? Grab a sticky note — the 10-second test ↓
The situation
The recliner was built to recline. The card table was built for cards. The porch rocker was built to rock. Somewhere in each one, the drink has always just been set down in whatever gap was left over.
Owner-forum threads about recliner and built-in theater-seating arms describe the same thing: only a few inches wide, fully upholstered, with no flat spot anywhere on it. Some owners resort to wedging a cutting board into the cupholder cutout just to get a level surface back.
Pull the lever and the whole chair changes shape — the footrest extends and the side table that was within easy reach a second ago is suddenly a stretch too far. Whatever was in your hand when you reclined stays on the armrest, because the table isn't close enough to trust it to anymore.
Thin folding legs sink unevenly into carpet pile, and the wobble is the tray's best-known trait. A full dinner plate claims the middle of it, so the drink rides the back corner — right where every fork-cut and elbow bump reaches it first.
Cards, tiles, or a quilting project spread edge to edge leave nowhere reserved for a cup — which is exactly why snack caddies that clip onto a card table's edge are sold as their own accessory. The tabletop itself never set the room aside.
A narrow, often varnished rail on a chair whose entire seat is the moving part. Rocking-chair guidance recommends non-slip pads and level footing for the chair itself — proof that the rocking alone, with nobody bumping anything, is enough to walk a glass toward the edge.
None of it is anyone's fault. Every seat in your day was designed around something else — cards, television, a good rock on a warm evening — and the drink got wedged into whatever room was left over.
You know the moment
The chair's reclined, the footrest is up, and the coffee's cooling on the armrest — because the little table that would normally hold it is on the far side of the footrest now, and going back for it means folding the whole chair forward first.
A jelly-jar glass of lemonade balanced on the arm of your chair for the length of the visit — one hug, one dash past the chair, away from going over.
The coffee gets pushed to the edge of the folding table by a full hand of cards, one reach for the discard pile away from a ring on the wood, or the cup itself.
Iced tea on the rocker's armrest, inching toward the edge with nothing but the ordinary back-and-forth of rocking to blame.
The frame or the card table is covered edge to edge with fabric or pieces, and the cup ends up wedged into whatever corner is left — closer to the good wood than a coaster habit would ever allow on purpose.
What you get
The wide flexible base spreads across a padded armrest, a narrow porch rail, or a wobbly folding tray instead of balancing on one point. Reach for a card, lean in for a hug, give the rocker a push — the base flexes with whatever it's resting on and the drink settles back.
The lemonade in a jelly-jar glass, the iced tea, the can on game night, the 40 oz tumbler that somehow ended up in the cabinet too. Cans and bottles slide on; glasses and cups drop in through the fins and get gripped by the bottom inch.
The glass sits inside the base instead of directly on the finish, so the condensation that raises a cloudy ring collects on flexible material instead of the good end table. A coaster only stops the ring; this base does that and resists the tip too.
The fit test
A square sticky note: 3 inches, exactly.
The classic square is exactly 3 inches on a side. That's a fact about sticky notes — and it happens to be the exact ceiling of what fits.
Bring whatever's already in reach tonight — the jelly-jar glass, the tumbler, the can. Look at the bottom, not the rim; rims flare and tumblers taper, so the base is the only measurement that counts.
Base sits inside the square? It fits. Hangs over the edge? Too wide. A small base lost in the middle — under about 2 inches? Too narrow.
No ruler, no trip to the store with a tape measure — just a sticky note off the pad by the phone and the glass you already reach for.
Will it fit my cup
The rule is one line: a container base about 2 to 3 inches across settles in. Every verdict below follows from it.
There's a floor as well as a ceiling — under about 2 inches the base sits too loose. The handled teacup is the honest exception: the base itself is fine, but the handle lands right where a fin needs to grip.
How it works
A padded armrest, a narrow rail, and a folding tray all give a drink poor footing in different ways. The wide flexible base lies across whichever one it's on instead of pressing a point into it.
Flexible fins hold the drink from the sides by its base, so a recline, a rock, or a reach across the table can't rattle it loose.
The footrest kicks out, the rocker rocks, a hand of cards gets shuffled against the table — the base flexes with the surface and brings the drink back level.
Where the day actually happens
The drink doesn't fail because you weren't careful. Every surface in your day is padded, sloped, wobbly, or moving on its own, sometimes with no help from anyone.
Rounded and fully padded, with no flat spot built into it at all. Owner-forum threads about recliner and theater-seating arms describe them as too narrow for a standard coffee cup — some owners wedge a cutting board into the cupholder cutout just to get a level surface.
Thin folding legs on a tray about the footprint of two dinner plates, and it's been the go-to surface in front of the television since it was first sold nationally in 1952 — a year before the frozen dinner it's remembered alongside. The wobble on carpet is as old as the tray itself.
A flat surface fully claimed by cards, tiles, or fabric the moment the game or the project starts — exactly why snack caddies that clip onto a card table's edge are sold as their own accessory. The tabletop was never going to set a spot aside on its own.
Narrow, often varnished, on a chair whose entire seat is the moving part. Rocking-chair care guidance recommends non-slip pads and level footing for the chair itself — proof that the rocking alone is enough to walk a glass to the edge.
Treated like furniture, not a shelf — the kind of table where a coaster is a house rule, not a suggestion. Cold glass and hot cups both raise the cloudy white bloom in a wood finish that home-repair guides devote entire articles to removing, which is exactly why the coaster habit exists in the first place.
Versus what you do now
A spring clamp with a rubber pad, and reviewers of the wider insulated tumblers now common in every family's cabinet report the same complaint: the cup rides too high in the ring to seat fully, which leaves it less stable than the bare armrest was.
Built for exactly one surface — clip it to the card table and it does that job, but it does nothing for the recliner, the porch rocker, or the TV tray. Another single-purpose object to find, attach, and put away.
Genuinely good at protecting a finish or a fabric arm from a stain — that's the whole job they're built for. What they can't do is stop a tip: a flat piece of cork or crochet does nothing when the chair reclines, the tray wobbles, or the rocker rocks.
Solves it for exactly one chair, and only if the current one gets replaced. Does nothing for the wingback, the porch rocker, or the card table on game night.
Before you buy
That's the shape's whole job. A rounded, upholstered arm gives a narrow glass no footing; the wide flexible base spreads across the padding instead of balancing on it, and the fins keep the drink from rattling loose as the chair moves. Nudge it and it settles back.
Rocking is exactly the movement it's built to handle. The base flexes with the rail instead of riding along it, and the fins hold the glass by its bottom inch, so it resists the slow walk toward the edge that ordinary rocking causes on its own.
Check the bottom, not the rim. A base about 2 to 3 inches across settles in — the 40 oz Stanley-style tumbler does. A handled teacup is the exception: the base is fine, but the handle sits where a fin needs to grip.
It does what a coaster does, and more. The glass sits inside the base instead of directly on the wood, so condensation collects on flexible material instead of the finish — and unlike a coaster, it resists the tip too, not just the ring.
No. Nothing clips to the armrest, screws into the porch rail, or clamps to the card table. It sits on top of whichever surface is in reach and moves with you in a second.
Reclining is the exact use case, not the exception. The whole chair changes shape when the footrest extends, but the base stays wherever you set it — armrest or lap — and settles the drink back level as the chair shifts under it.
Yes — it holds steady on hard, flat surfaces at least as well as on padded ones. Set it at the edge of the hand you're playing and the coffee stops competing with the cards for space.
Rinse it or run it through the dishwasher. It's one piece of flexible material with nothing to come apart or wear out.
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.
Who makes it
The maker is Steadi Labs, a small veteran-founded company in Orange, California. It's injection molded — the mold, the material, and the color runs all sit within about three and a half miles of the shop, and every batch is molded there in small runs. The people who make it are the same people who answer hello@steadilabs.com.
Use it for a month. 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
The coffee stays on the arm through the whole hour of game shows, the lemonade stays put through the whole visit, and the good table by the lamp never has to earn its coaster.
Get yours at steadilabs.com →Checkout is on steadilabs.com — Steadi Labs is the company that makes it.