Best Bath Trays for the Tub (And the One Mistake Everyone Makes)
How to pick a bath tray that actually fits your tub - bamboo vs wood vs expandable, the mould problem, the wine glass slot, and the mistake to avoid.
You have seen the photo. Cream bathroom, steam, a wooden tray laid across the tub with a glass of wine, a folded book, and a candle that has never once dripped. You bought the tray. It arrived. It is two inches too short, it rocks, and it now lives under the sink.
That is the mistake, and it is the only one that really matters. People buy a bath tray for how it looks in a photo instead of measuring the tub it has to sit on. Everything else - bamboo or wood, wine slot or no wine slot, thirty dollars or twelve - is a preference. Fit is not a preference. Fit is the whole product.
So: measure first, then pick.
Measure your tub in thirty seconds
Get a tape measure. Lay it across the tub at the widest part of the rim, outside edge to outside edge. That number is the only spec that matters.
Most American alcove tubs - the standard built-in kind with a wall on three sides - run 30 to 32 inches across the rim. Freestanding and clawfoot tubs are all over the place, usually 28 to 34. If yours is a corner tub or a soaker with a wide deck, measure anyway, because the deck eats into the span.
Then check two more things while the tape is out.
- Rim width. A tray needs somewhere to land. A skinny rolled rim, under an inch, means you want a tray with a lip or grippy feet, not flat wood.
- Rim shape. If the rim slopes inward, a flat tray will slide. Expandable arms solve this. A plank does not.
Mami says: if you cannot be bothered to measure, buy the expandable one. It is the only tray that forgives you.
Bamboo, wood, or expandable
Bamboo, the sane default
Most things sold as bath trays are bamboo, and for good reason. It is cheap, light, and it handles humidity better than most hardwoods because it is technically a grass with a tight, dense grain. Twelve to twenty-five dollars.
Look for slats rather than a solid panel, so water drains instead of pooling. Look for a finish that is visibly sealed or oiled. Look for feet or a lip underneath so it does not skate on a wet rim. Avoid raw, pale, unsealed bamboo - that is the tray that goes fuzzy and grey in two months.
Solid wood, pretty and needier
Teak and acacia look gorgeous and feel substantial in your hands. They also want oiling once or twice a year, and a tray left sitting in a puddle will cup and eventually split. Buy solid wood if you enjoy maintaining objects. Buy bamboo if you do not. Neither answer is wrong, but be honest about which one you are.
Expandable, the one that actually fits
An expandable tray has a fixed centre and two arms that slide out to the rim, usually covering somewhere between 26 and 40 inches. It is the right answer if your tub is nonstandard, if you rent, or if you have simply not measured. It is also the right answer if the tray is a gift, because you cannot measure someone else’s bathtub without being strange about it.
The trade-off is that the sliding mechanism is the part that fails. Metal slides last. Plastic ones develop a wobble. And an expandable tray is a little less pretty than a single plank of wood, which is a real cost if the point was partly the look.
The mould problem, honestly
Cheap bath trays do get mouldy. The internet is right about that. But the cause is boring and completely fixable: a wet wooden thing left lying flat in a humid room with no airflow.
Three habits and it never happens.
- Take it off the tub when you drain. Thirty seconds.
- Stand it on its edge, against the wall or over the towel bar, so both faces dry.
- Wipe the underside, not the top. The underside is what sat in the condensation.
If it has already gone spotty, a paste of baking soda and water with an old toothbrush lifts it, then dry it fully and rub in a little mineral oil. If the wood is black and soft rather than spotted, that is rot, not a stain, and the tray is done.
While you are down there looking at the tub: the tub itself is usually the actual reason people skip the bath. The five-minute version of cleaning it is worth a read.
The wine glass slot: be honest with yourself
Almost every tray photographed for the internet has a slotted wine glass holder. Two true things about it.
It works. The slot holds a stem securely and it is genuinely nice.
You will probably not use it. Wine in a hot bath goes warm in about eight minutes and makes most people lightheaded faster than they expect, because the heat is already doing half of that job. What actually lives in that slot, in real houses, is a mug of tea or a tall glass of ice water - and both of those want a flat deck, not a stem slot.
So the slot is not a reason to pick a tray. If yours has one, lovely. If yours has a plain flat surface and a proper book groove, you will use it more nights of the year.
What actually goes on the tray
A tray is a surface, so the real question is what it holds. In descending order of how often it earns its place:
- Water. Ice water, in something that will not tip. This is the one people forget and the one that makes a long soak feel good instead of headachy afterwards.
- One candle, unscented or lightly scented, in a holder rather than sitting on bare wood. Scent in a hot steamy room hits far harder than it does in a living room - the candle guide has the whole argument, and the candlelight bath is what to do once you have one.
- A book or a phone, propped on the rest. Angle matters more than you expect; a tray with a real groove beats one with a flat ledge every time.
- A folded washcloth. For your face, and for drying your hands before you touch the book.
Notice what is not on that list. Your salts go in the water before you get in, not on the tray. How much to use is a real question with a real answer, and most people are pouring a fraction of it.
The two-item upgrade
A tray fixes your hands. It does nothing for your neck, which is the other reason baths get cut short - you sit up because the tub edge is a bad pillow, and then you are just a person sitting in water.
A suction-cup bath pillow runs about fifteen dollars and it is the best companion purchase to a tray by a wide margin. Get them together or get neither. A tray on its own buys you a better-looking bath, not a longer one, and length is the whole point. If you are building the setup from scratch, the starter kit puts it in order of what to buy first.
So which one
- Standard alcove tub, 30 to 32 inches, and you measured: slatted bamboo, sealed, with a book groove. Twelve to twenty dollars and you are done.
- Freestanding, clawfoot, corner, rental, or unmeasured: expandable, metal slides.
- You want it beautiful and you will maintain it: teak or acacia, oiled twice a year.
- It is a gift: expandable, every time.
Then actually use the thing. A tray on a tub that never gets filled is just a shelf with ambitions. Pick a night this week, run the water properly - here is the whole method if it has been a while - and put it to work.
Quick questions
How wide should a bath tray be?
Measure across the outside of your tub rim at its widest point. Standard American alcove tubs run 30 to 32 inches, so a fixed tray in that range fits most built-in tubs. Freestanding and clawfoot tubs vary from about 28 to 34 inches, which is where an expandable tray earns its money. Never buy on a listing photo alone - buy on your own measurement.
Do bamboo bath trays get mouldy?
They can, but only if you leave them lying flat and wet in a closed bathroom. Take the tray off the tub when you drain it, stand it on its edge so both faces dry, and wipe the underside rather than the top. Spots that have already formed come off with a baking soda paste and an old toothbrush. If the wood is black and soft rather than spotted, it is rot and the tray is finished.
Can you put a laptop or tablet on a bath tray?
A tablet in a case, propped in the book groove, is fine and very common. A laptop is not - the weight is beyond what most trays are rated for, the arms of an expandable tray can flex, and steam is bad for it even when nothing falls in. If you want a screen in the bath, use the tablet and keep it back from the edge.