LILLYDOO Baby Swim Diapers Size Small
- Weight Range: 13 pounds
- Incontinence Protector Size: Small
- Incontinence Protector Type: Swim Diaper
- Material Type: Polyethylene
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A 40 count pack of size small swim diapers for babies roughly 13 to 24 pounds, sized as a running supply for regular pool or beach trips.
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ASIN: B0FKH7HY2NCategory: Diapers
Overview
LILLYDOO's swim diapers in size small fit babies from about 13 to 24 pounds, sold as a 40 count half-monthly pack made from polyethylene. Designed for pool or beach use rather than as an everyday absorbent diaper.
Swim diapers like this one are built to contain solid waste in the water rather than absorb urine the way a regular diaper does, since polyethylene does not hold liquid the way an absorbent core does. The half-monthly count of 40 works as a running supply for regular pool visits rather than a single outing, and the size small weight range covers about 13 to 24 pounds.
- Size small, fits about 13-24 lbs
- 40 count, half-monthly supply
- Polyethylene material
Who it's for
Fits parents of a baby between about 13 and 24 pounds who need swim diapers for the pool or beach on a regular basis, given the 40 count supply. Not meant to replace a regular absorbent diaper for everyday wear.
Pros and cons
- 40 count covers regular pool or beach visits
- Sized specifically for the 13 to 24 pound range
- Not an absorbent diaper for everyday wear
- No specifics given on fit or leak guards
Performance notes
Polyethylene contains solid waste in the water rather than absorbing liquid, which is the standard mechanism for swim diapers. The 40 count half-monthly supply is sized for regular use rather than a single day trip.
Specifications
| Brand | LILLYDOO |
|---|---|
| Dimensions & fit | |
| Weight Range | 13 poundslower than 70% of 94 diapers |
| Incontinence Protector Size | Small |
| Item Weight | 1.96 poundslower than 58% of 111 diapers |
| Item Length | 3.9 incheslower than 99% of 122 diapers |
| Size | Small |
| Capacity & performance | |
| Age Range Description | Toddler |
| Construction & materials | |
| Material Type | Polyethylene |
| Color | White |
| Included components | |
| Unit Count | 40 |
| Other details | |
| Incontinence Protector Type | Swim Diaper |
| Lining Description | Cotton Blend |
| Number Of Items | 1 |
| Target Audience | Unisex-Babies |
| Reusability | Disposable |
| Recommended Uses For Product | Urine Protection |
Closest rivals on specs
Kirkland Diapers Size 2- Item Length 3.9 vs 2.8 inches (+39%)
- Item Weight 1.96 vs 1.54 pounds (+27%)
Pampers Cruisers Diapers Size 6- Item Length 3.9 vs 4.7 inches (-17%)
- Item Weight 1.96 vs 1.05 pounds (+87%)
Frequently asked questions
What weight range do LILLYDOO size small swim diapers fit?
About 13 to 24 pounds.
How many swim diapers come in the LILLYDOO pack?
40, sold as a half-monthly supply.
Are LILLYDOO swim diapers absorbent like regular diapers?
No, they are made from polyethylene to contain solid waste in water rather than absorb liquid.