—A base for a table that has a second job
It is not an oversight and it is not cost-cutting. The tabletop drops about fourteen inches onto the bench rests and the backrests go on top of it. Anything moulded into it, or screwed to it, is in the way of that.
This is a 5.2-inch moulded base that stands on the table and lifts off in one second, which is the only requirement a convertible dinette actually has.
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—An owner worked this out in public in 2015
On the Jayco owners’ forum, a member asking about insetting cup holders in his dinette table stopped himself for one specific reason: “these might interfere with the lowering of the table (Hit the support bar).” He was right, and every manufacturer’s own spec sheet says why.
39×74″
the table is a bed
Listed under Dinette & Lounge as standard: “Dinette Converts to a Lounge and Sleeping Accommodations.” The convertible sleeping space is published at 39 by 74 inches.
75×79″
the table is a king
The rear dinette converts to a 75 by 79 inch king. Nothing that is bolted to that tabletop survives the conversion.
27⅛→12¾″
fourteen inches of drop
A convertible table base extends to 27 1/8 inches and drops to 12 3/4. RecPro’s own copy: take the leg off, rest the top on the booth edges, lay the backrests on it.
$14.95
one second
A 5.2-inch base, 3.6 ounces. You pick it up before you drop the table, the same way you pick up the salt.
Sources: airstream.com (Bambi Specs & Features) · olivertraveltrailers.com · winnebago.com (Micro Minnie 1821FB) · recpro.com · factoryrvsurplus.com (Tough Grade convertible table base) · jaycoowners.com. Fetched 3 September 2026 and quoted as published.
—What the aisle asks of a table with two jobs
Camco’s ships with four screws and holds up to 3.5 inches. JR Products’ folds flat to four inches square when not in use — which tells you it expects to stay fastened there permanently.
SeaSucker’s vertical holder wants “most non-porous, vertical surfaces” and a 4-1/2 inch cup. Textured wall board and grained laminate are not that.
Detmar’s removable kit has four moulded holders — 2-3/4 inches across and three quarters of an inch deep. That is a dish, not a well, and it replaces your tabletop to get it.
RecPro publishes the dinette tabletop at 38 wide by 30 deep, weighing 11.5 pounds. Four people eat off that. There is not a lot of it to give away to hardware.
campingworld.com · etrailer.com · recpro.com. Prices and specifications fetched 3 September 2026, quoted as published.
—Does it actually work
A kid slides into the booth and the bench takes the knock. The base is 5.2 inches across and spreads the load instead of balancing on a point, so the drink comes back level.
Filmed on a couch cushion — softer and less predictable than a dinette top, which is rather the point of showing it there.
—How it holds
5.2 inches across and fixed. It moves the edge the drink would have to tip over much further out, so the whole thing has to lean much further before it goes.
Six of them, holding the bottom inch. Cans and bottles slide on from the top; tumblers and glasses drop in. Drink and base then rock as one piece.
A wide foot spreads the weight across the tabletop rather than pressing into it at a point, and the TPU is grippy against it. It marks nothing and lifts clean.
—The object
No screws through the tabletop, no vacuum cup, no bracket under the edge and no replacement table. It stands on the surface, and when the table has to come down it goes in the drawer with the salt and the cards.
—What seats and what does not
The four holders moulded into Detmar’s table kit are 2-3/4 inches across and three quarters of an inch deep. This is 2.8 inches tall with six fins gripping the bottom inch of the container. A standard 12 oz can is 2.6 inches at the base; a 40 oz Stanley Quencher is 3.1 and seats snug. A handled mug does not seat at all — the handle lands exactly where the fins grip.
Every width below comes from a published specification, not from us. Where a spec is uncertain, the answer says so.
A width across the bottom of the cup, in inches.
A standard sticky note is three inches square. A cup standing on one with its base inside the paper will seat.
Anything that overhangs, or anything borderline — hello@steadilabs.com reaches a person, and the answer will be honest either way, including a no.
—Where they end up
Inside on the laminate while the table is a table. Outside on the site’s picnic table and the cooler lid. Then in the drawer when the backrests come off the wall and the table becomes a bed — which is the one thing every other product in this aisle cannot do.
Twelve colours, and the picker assigns one per unit, which with kids in the booth is mostly about telling whose drink is whose.
—What the aisle costs
Prices were looked up on 3 September 2026, not estimated. Every figure is the seller’s own.
| The product | Price | What it asks of a table that becomes a bed |
|---|---|---|
| Camco RV Adjustable Drink Holder | $3.77 | “Includes 4 screws for easy installation.” Holds up to 3.5″. Listed down from $5.99. The screws go through the tabletop. |
| JR Products adjustable cup holder | $13.57 | “Screw-mounts easily to any flush surface.” Folds flat to 4″ square — because it is expected to live there. |
| SeaSucker cup holder, vertical vacuum mount | $65.00 | “Most non-porous, vertical surfaces” and a 4-1/2″ vacuum cup. A wall, not the table. |
| Detmar removable table kit, four moulded holders | $99.99 | Replaces the tabletop entirely. The holders are 2-3/4″ across and 3/4″ deep. |
| SeaSucker Party Barge, horizontal | $199.00 | Two 210-lb vacuum mounts and a smooth horizontal top to put them on. |
| The Travel Trailer Cup Holder | $14.95 · four for $39.95, $9.99 each | Nothing. Lift it off before you drop the table. |
The Camco is $3.77 and it works. If there is a corner of your table the backrests never reach and you are happy to put four screws through the laminate, buy that one and keep the difference. This page is for the rest of the table, and for people who would rather not drill the surface they eat off.
—Get one
One per person at the dinette is the honest count, and the dinette is where four people sit. Free shipping on all of them.
Checkout is handled by Steadi Labs — the company that makes The Travel Trailer Cup Holder. Secure checkout at steadilabs.com. Free shipping on every order, and 90 days to change your mind, used is fine.
—From people who bought one
We are not going to imply otherwise. All four describe a child or a pet knocking a drink over on a surface somebody was sitting at — which is the dinette, whatever room it is in. Verbatim, unedited, not filtered by rating.

★★★★★
Works really great. Fits all size containers. Keeps them from getting knocked over.
Linda Waugh · 2026-05-27Photo from the buyerPhoto from the buyerPhoto from the buyerPhoto from the buyerPhoto from the buyerPhoto from the buyerPhoto from the buyer
★★★★★
This is a great invention …I have a clumsy child that always knocks over drinks and this thing keeps the drink from tipping over…I couldn’t believe how well it works. A+ highly recommend.
Christopher Barnes · August 2026
★★★★★
This stability sleeve product is great. Really stabilizes your drink container and eliminates the chance of kids or pets accidentally knocking the drink over. Ordered a 2 pack to see how well it works. Will order more to give to family at Christmas
Mark Slevin · May 2026
★★★★★
Every Friday is game night on the floor at our house and almost every Friday something spills. Not anymore. Thank you Steadi!
Felisha Gomez · May 2026
★★★★★
My kid doesn’t spill his drink in his bed anymore so….. it’s a win!
Jason Rumsey · July 2026
Sent in with their reviews. Tap any one to read it. Different rooms, different drinks, different colours — none of them staged by us.
A slice of one product-wide corpus — reviews of the Steadi, not of this page. The full corpus is published live.
—The limits, in one place
Nothing loose is. It has no clamp and no fastener, so it belongs to a trailer that is parked and levelled. It goes in a drawer before you hitch up, along with everything else on the counter.
That is the whole design, but it is worth saying plainly: you lift it off. It is one second per unit and they nest. If what you want is a holder that never has to be moved, the four screws are the honest answer.
It resists tipping by widening the footprint the drink has to lean past. A kid sliding hard into a booth still wins sometimes.
The handle lands exactly where the fins grip. That includes two-handled mugs, and a stemmed glass is a straight no as well.
Outside on the picnic table, an empty can goes over in enough wind whatever it is standing in. This widens the base; it does not add weight.
—If it turns out to be the wrong thing
Take them out for a season of weekends. If the answer is no, hello@steadilabs.com reaches a person and the money comes back — no form, no restocking fee, no questions about condition, and nothing to pack up or post. Campfire smoke and gravel dust included.
—Who makes it
Scott Rodriguez made the first one after a full drink went over on a soft cushion with three kids under three in the house. It was built for spills, not for trailers.
Nobody with a travel trailer asked for this page. It exists because a dinette table is a flat surface with a second job, and a base you can lift off in a second turns out to be the only kind of cup holder that fits that description.
We make one thing and we make all of it here — the moulds, the material, the colour runs, everything within about three and a half miles of the shop.
— Scott, Steadi Labs
—Questions
Yes. That is not a workaround, it is the design — anything fastened to that tabletop is in the way of the backrests. It is one second per unit and they nest in a drawer.
No. It has no fastener of any kind, so it is for a trailer that is parked and levelled. Everything loose gets stowed before you hitch up.
Yes. Laminate is flat and level, which is all it needs, and the TPU is grippy against it. It marks nothing and lifts clean.
That is where a lot of them end up. Rough sawn timber, a folding table, a cooler lid — all fine. Water does not hurt it. What it will not do is resist wind on an empty can.
Yes. The Quencher H2.0 40 oz is about 3.1 inches at the base, inside the range the fins flex to. Snug rather than drop-in — it seats with a push.
You can, and if the corner you pick is clear of the backrests it will work fine for years. It is four screws through the surface you eat off, in a trailer you will probably sell. That is the whole trade.
They are 2.8 inches tall and about 3.6 ounces each, and they nest. Four of them take less drawer space than a box of pasta.
Yes. Shore 85A TPU, 100% BPA free. Rinse it, wipe it, or run it through the dishwasher.
Because it is one thing. It is a Steadi, made by Steadi Labs in Orange, California, and checkout finishes at steadilabs.com where the company lives.
—Still deciding
It is, and the Camco is $3.77. You are paying about eleven dollars to keep the tabletop intact and to have the thing work on the picnic table as well. Ninety days covers being wrong about that.
It is the same motion as clearing the plates, and it is only the nights you actually make the bed up. If your dinette never converts, you have a fixed table — screw something to it and ignore this page.
Some do, usually one pair by the sofa or moulded into a table you can buy. The question is whether they are at the dinette, where four people are actually sitting.
Shore 85A TPU, no moving parts, no hinge, no metal to corrode. Long-term UV exposure is not something we have tested, so we do not make a claim about it.
For the dinette while it is a dinette, the picnic table while you are outside, and the drawer when it is a bed.
See the packs — from $14.95Free shipping on every order · 90-day guarantee, used is fine · Made in Orange, California