Rumparooz One Size Cover

Rumparooz One Size Cover 1

Longevity: 10/10

Quality: 10/10

Fit: 8/10

Ease of Use: 8/10

Price: 9/10

Cuteness: 7/10

Overall: 9/10

Rumparooz seems to be an excellent fit for our family. Every diaper we have tried from them has fit Pumpkin ideally, even with his skinny little thighs, and they’ve all held up through repeated washings. I would highly recommend giving Rumparooz diapers a try if you have a skinny baby, but if your baby is a significant chunk, this brand might not be the one for you.


Fitting from 6-35 pounds, you could easily use this cover from birth through potty training. We started wearing this around 10 pounds, and I don’t doubt that this would comfortably fit a 6-pound newborn. And with plenty of rising/waist snaps, this diaper offers lots of room to grow.


Rumparooz covers are exceptionally well made- the sewing is even, and the materials are of high quality. We have washed our one size covers countless times, and they look the same as they did the first time Pumpkin wore them. These will easily hold up to years of use, even with near-constant washing.

Rumparooz One Size Cover 2


The fit of the Rumparooz One Size is great on even a tiny baby. We started Pumpkin wearing these around 10 pounds and found the second smallest rise snap was just right, with enough room to comfortably fit over the fluffiest of prefolds. I imagine that these would easily fit a six-pounder on the smallest rise. The only issue with the fit on the smaller sizes is the excess fabric. Because these are a cover and they fit such a wide range, when they’re set to the lowest settings, there is quite a bit of excess fabric that bunches up in the crotch area. This doesn’t necessarily affect the fit a bunch, but it does look awkward and could potentially cause leaks if the fabric is folded in just the right way. Even with that, though, we have never had any leaks with these covers. The double gussets are snug on Pumpkin’s thighs, and they hold in absolutely everything.

Ease of Use:

As with all covers, they’re a little bit more effort than an AIO or other styles of the diaper. Unlike other covers we have tried, the Rumparooz are super easy to put over a prefold and snap together. There are just two snaps on each side, one upper and one lower, eliminating the guesswork of where to attach the hip snap. Even with that, it’s easy to customize the fit by moving either the upper or lower breeze over one to get a tighter or looser fit in either the waist or thighs. My husband would instead use these than a pocket diaper, with three snaps on each side, even though he has to put on two diapers with these (prefold and cover). We’ve never had any issues with grandmas or nanny getting confused over these diapers so they must be pretty darn easy to use.


The price of the one-size Rumparooz covers starts at $14, for a solid color, and goes up to $16, for a print. At $14 you would have to use the cover 56 times before it’s cheaper than disposables and you still need to stuff it with something. That being said, you only need to wash these every 3-4 uses and your baby will be able to wear them for years, so getting 56 uses out of one cover shouldn’t be too much of a challenge.


Rumparooz somewhat lacks in the cuteness department. There are not a lot of prints to choose from, and they will cost you $2 more than a solid color. The available prints are somewhat trendy and gender-neutral. I do like their solid colors though, and the more I see them, the more they grow on me. The solid colors available are very different from what is offered by other brands, they are either more vibrant or darker than typical cloth diapers, they don’t seem to be stereotypical baby colors which I much appreciate! We own a pattern and a solid color and like them both equally.

Rumparooz One Size Cover 3  Rumparooz One Size Cover 4


The Rumparooz One Size Cover has lived up to our expectations. It fits great and has held up through many, many washes. Yes, I would repurchase this. I would recommend Rumparooz one size if you’re looking for a cover to last from birth to potty training or if you have a baby with small thighs who needs the extra protection the tight double gussets offer.

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