A guide for parents
How to store baby clothes for the next baby
How to pack it so it comes back out usable, and the reason half of it won't be, even if the next baby turns up right on cue.
What's in here
- The season problem nobody warns you about
- What is worth storing, and what is not
- Wash everything first, even the clean bits
- What to store baby clothes in
- Where to put it, and why the loft is the problem
- How to label the boxes
- Check on it once a year
- How long can you store baby clothes?
You've got a bag of 0-3 month things, a maybe-second-baby somewhere in the plan, and a loft. So far so obvious.
But before you carry it all up there, there's something worth knowing that nobody mentions, and it's the reason so many people open those boxes two years later and end up giving most of it away anyway.
The season problem nobody warns you about
Say your first baby arrived in October. They wore their 0-3 month clothes through November and December, so everything you've got in that size is thick, long-sleeved and fleecy.
Now your second arrives in April. They'll be in 0-3 months through May and June. All those lovely warm sleepsuits are completely wrong, and you're buying summer ones anyway.
It works the other way too, and it catches nearly everyone. Unless your babies land in roughly the same month, a good chunk of what you carefully packed away is going to be the wrong weather when it comes back out.
So store the boring stuff
The bits that don't care what month it is. Plain white vests, short-sleeved bodysuits, basic sleepsuits, cardigans, muslins, blankets. These work in any season and you'll be glad of every one.
The things with a season stamped on them, thick snowsuits, sun hats, summer rompers, lined pramsuits, are the ones to pass on now rather than store on the off-chance.
What is worth storing, and what is not
| Keep | Pass on |
|---|---|
| Plain vests and bodysuits | Snowsuits and pramsuits |
| Basic sleepsuits | Anything summery or obviously wintry |
| Cardigans and knits | Occasion outfits worn once |
| Muslins, blankets, sleeping bags | Anything with a mark on it |
| Things you actually loved | The stuff you never quite liked |
And be ruthless about that last row. If you didn't put it on them the first time round, you won't the second time either.
Wash everything first, even the clean bits
This is the one that really matters, and it catches people out.
Milk residue, body oils and the ghost of a stain you thought you'd got out are all invisible when you pack them. Two years in a warm loft and they oxidise into yellow-brown marks that will not come out. You open the box, and half of it looks like it's been in a skip.
So wash the lot, even the things that look fine. Skip the fabric softener because it leaves a residue that does the same thing. And make absolutely sure everything is bone dry before it goes anywhere near a box.
If you're not sure whether a stain has properly gone, have another go at it before storing rather than after. It only gets harder.
What to store baby clothes in
Plastic boxes with proper lids are the sensible default. They keep moisture and mice out, they stack, and you can see what's in them. Cardboard is the one to avoid, because it draws in damp and things like to eat it.
Vacuum bags: careful. Brilliant for space, and I do use them, but they're completely unforgiving. One item that wasn't quite dry, sealed up for eighteen months, and the whole bag comes out smelling of mildew. They also crush things, so anything you actually treasure is better folded loose.
Acid-free tissue paper for anything special. It's what stops fabric yellowing where it's folded, and it's a couple of pounds.
Lavender bags or cedar blocks rather than mothballs, which make everything smell of mothballs for the rest of its life.
Where to put it, and why the loft is the problem
Almost everyone stores baby clothes in the loft, and the loft is genuinely the worst place in the house for it.
It's baking in August and freezing in February, and that swing back and forth is what creates condensation inside a sealed box. Garages and cellars are much the same for different reasons.
Under a bed, on top of a wardrobe, or in the back of a cupboard is better every time. Cool, dry, stable, and you'll actually be able to get at it.
If the loft really is the only option, use proper lidded plastic boxes, keep them off the joists on a board, and throw a couple of moisture absorbers in.
How to label the boxes
By size, on the outside, in something you can read from a distance. "0-3m sleepsuits and vests" beats "baby clothes" by a mile at 34 weeks pregnant with a torch.
One size per box where you can manage it, so you're not unpacking the whole lot to find the 6-9 month bits.
And a note of the season. "0-3m, winter" tells future you in one glance whether it's any use.
Check on it once a year
Ten minutes, once a year. Open the boxes, have a look for damp, and refold anything that's been sat on the same crease. Fabric that stays folded the same way for years gets permanent lines along the fold.
It also stops the whole thing becoming an archaeological dig, and you'll spot anything that's gone musty while it's still rescuable.
How long can you store baby clothes?
Honestly, if it's been up there three years and there's no second baby on the horizon, it's time to let it go.
Stored clothes deteriorate whatever you do. Elastic perishes, colours fade, and there's a particular smell that fabric picks up in a loft that never quite washes out. A sleepsuit that could have been on another baby two years ago is worth a lot more than one that's been sealed in a bag since.
There's a whole guide to clearing out if you get to that point.
Under the bed, not the loft. I learned that the expensive way with a box of 0-3 month things.
🌱 Or don't store it at all
Here's the other way of looking at it. Storing clothes for a baby who might come is a way of paying now for something you might need later, and you're paying in loft space and in clothes that quietly go off.
With Swapaboo you photograph what they've grown out of, we check and value each piece, and it becomes credits. Those credits sit there. They don't perish, they don't yellow, and they don't take up half the landing.
Then if a second baby does come along, you spend them on exactly what you need for the season they actually arrive in. And if one doesn't, the clothes have already gone to families who needed them rather than sitting in a bag for four years.
We're opening a few families at a time and it's invitation only just now.
Common questions
How do you store baby clothes for the next baby?
Wash everything first, even items that look clean, because milk residue and body oils turn yellow over time. Make sure everything is completely dry, then pack it by size in plastic boxes with proper lids, labelled with the size and the season. Store somewhere cool and stable rather than a loft or garage, and check on it once a year.
Should you use vacuum bags to store baby clothes?
They are excellent for saving space but unforgiving of moisture. A single item that was not quite dry can leave a whole sealed bag smelling of mildew after months in storage. They also compress fabric and can leave creases, so anything you particularly want to keep is better folded loose in a box.
Why do stored baby clothes turn yellow?
Because of invisible residue left in the fabric. Milk, body oils and stains that were not fully removed oxidise over time and appear as yellow-brown marks, often permanently. Washing everything thoroughly before storage, and skipping fabric softener, is the main way to prevent it.
Is it bad to store baby clothes in the loft?
Lofts are among the worst places, because the temperature swings between very hot and very cold, and that creates condensation inside sealed containers. Under a bed, on top of a wardrobe or in a cupboard is better. If the loft is the only option, use lidded plastic boxes, raise them off the joists and add moisture absorbers.
How long can you store baby clothes?
Two to three years is realistic if they are stored properly. Beyond that, elastic perishes, colours fade and fabric picks up a musty smell that does not always wash out. If there is no second baby on the horizon after about three years, the clothes are worth more to another family than they are in a box.
What baby clothes should you keep for a second baby?
The season-neutral basics: plain vests and bodysuits, basic sleepsuits, cardigans, muslins and blankets. Anything strongly seasonal, such as snowsuits or summer rompers, is worth passing on, because unless both babies are born in a similar month the stored clothes will be the wrong weather for the size they fit.