Rumparooz One Size Cover
The Rumparooz One Size Cover comes in 1 size, lists sizes up to 35 lb, and starts with a size for babies up to 35 lb, per Rumparooz. A one-size cover with four rise settings that fits over fitteds and prefolds.
- $14.95List price
- One Size to One SizeSizes
How the One Size Cover stacks up
Against the 7 cloth diaper covers we track. The shaded band is where the middle half of them fall; the dot is this one.
The same as most cloth diaper covers (1).
Within the typical range for cloth diaper covers (35 lb to 40 lb).
Within the typical range for cloth diaper covers (18 lb to 35 lb).
What sets the One Size Cover apart
Measured against the 7 cloth diaper covers we compare, from each maker's published specs.
Next to its closest matches
- Rumparooz Newborn CoverNext to it, the One Size Cover is 20 lb higher; 20 lb bigger.
- Thirsties Duo Wrap, Size ThreeNext to it, the One Size Cover is 25 lb lower; 25 lb smaller.
Size & weight chart
Weights as the maker lists them, in lb.
| Size | Weight | Shared with next size |
|---|---|---|
| One Size | 6–35 lb | – |
Cloth system & wash
| Type | Cover |
|---|---|
| Closure | snaps or Aplix hook-and-loop |
| Fabric | Polyester with TPU laminate |
| Washing, per the maker | Wash once before use. Cold rinse, hot wash, cool rinse. Tumble low or line dry in indirect sun. Avoid bleach, OxiClean, Borax, Bac-Out. |
| Maker’s notes | Four rise settings; made to fit over most fitted or prefold diapers. |
Listed features
- Four rise settings
- Snap or hook-and-loop
- Wide size range
Worth checking
- Detergent and additive restrictions
Where to buy the One Size Cover
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- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
Full specs
| Rumparooz One Size Cover | |
|---|---|
| Type | Cloth diaper cover |
| List price | $14.95 |
| Sizes and weights | One Size: 6–35 lb |
| Closure | snaps or Aplix hook-and-loop |
| Materials | Outer: water-resistant polyester laminated with TPU, heat bonded. Inner not specified. |
| Fabric | Polyester with TPU laminate |
| Care | Wash once before use. Cold rinse, hot wash, cool rinse. Tumble low or line dry in indirect sun. Avoid bleach, OxiClean, Borax, Bac-Out. |
| Maker's use notes | Four rise settings; made to fit over most fitted or prefold diapers. |
More covers
- RumparoozNewborn Cover1 sizeto 15 lb$10.95
- ThirstiesDuo Wrap, Size Three1 sizeto 60 lb$16.75
- Smart BottomsToo Smart Diaper Cover1 sizeto 35 lb$22
- SnappiCloth Diaper Fastener$4
- ThirstiesDuo Wrap2 sizesto 40 lb
- RuskovillaWool Short Nappy Pants
One Size Cover: questions answered
From Rumparooz's published specs, last checked 2026-11-02.
What sizes does the Rumparooz One Size Cover come in?
One Size (6–35 lb), per the maker. Makers size diapers by weight, and their ranges overlap. Check the maker's size chart.
How do I wash the Rumparooz One Size Cover?
The maker says: Wash once before use. Cold rinse, hot wash, cool rinse. Tumble low or line dry in indirect sun. Avoid bleach, OxiClean, Borax, Bac-Out. Follow the maker's wash routine. Most cloth diapers need a prewash, a long hot main wash, and no fabric softener.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.