Is newborn swimsuit boy profitable to sell on Amazon United States?

The niche generates $56K/yr across 108 tracked products. 5 of 40 products launched in the last 360 days are still selling. 90-day search growth is +105.3%. Flapen's verdict: Worth a look (57/100).

How competitive is the newborn swimsuit boy niche?

41 brands and 49 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 51% of demand.

What do buyers complain about in newborn swimsuit boy?

Top complaints mined from reviews: Size-Overall, Zipper Quality, Ease Of Use. The return rate is 4.6%.

When does demand for newborn swimsuit boy peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 12.6× the quietest.

What does it cost to enter the newborn swimsuit boy niche?

Listings span $9.54–$43.11; the average listing price is $18.18 (sweet spot $15–$100). The average incumbent carries 1,097 reviews — the moat a new listing must climb.

newborn swimsuit boy

Worth a look

Shows a fragmented shelf (top 5 take 20% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Great20%

top-5 click share — an open shelf

Growth

Great+105.3%

90-day search growth — must beat 0% to launch

Brand share

Great51%

top-5 brand share — no brand owns this niche

Avg price

Great$18.18

avg listing price — sweet spot $15–$100

Price range

Great$9.54–$43.11

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good1,097.33

avg incumbent reviews — the moat a new listing must climb

Returns

Okay4.6%

return rate — above 5% kills the launch gate

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

search→purchase rate — share of searches ending in a sale

Market size

Bad$56K

$56K/yr · 201K searches

Signals Trending No Dominant Brand

According to Flapen's Amazon United States niche tracking, newborn swimsuit boy is a $56K/yr Amazon United States market (201K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 57/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

newborn swimsuit boy market data

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: $45K–$55K; units × avg price
Conversion rate: 1.5%
Avg BSR: #19
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 2.7%
Avg brand age: 28 months
Avg seller age: 169 days

Competition & brand share

Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.

Brands

41 rising

Sellers

Top-5 brand share

51%

Top 20: 90%

Top-5 click share

20%

Top 20: 51%

Open market

42%

Hnyenmcko14%
UMELOK14%
upandfast9%
Gueuusu8%
Socutebabe7%
SwimZip6%

Demand & seasonality

Weekly Amazon search volume, last 70 weeks — +105.3% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 12.6×

Open Trend

Top newborn swimsuit boy search terms

0-3 month swimsuit boy46K/yr +338.6%1.2% conv.
newborn swimsuit boy47K/yr +137.7%0.9% conv.
newborn boy swimsuit13K/yr +48.9%0.7% conv.
newborn bathing suit boy11K/yr +159.2%0.7% conv.
6 month boy swimsuit12K/yr +4.3%0.7% conv.
baby boy swimsuit 0-3 months10K/yr +80.0%1.2% conv.
3 month swim suit boy9K/yr +93.3%1.0% conv.
baby boy swimsuit with hat8K/yr +58.0%0.2% conv.
baby boy one piece swimsuit7K/yr +40.2%0.2% conv.
0-3 month boy swimsuit7K/yr +18.3%1.0% conv.

All search terms

Top newborn swimsuit boy products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

upandfast Infant Boy Swimsuit UPF 50+ Sun Protection Baby Boys Swimwear One Piece Bathing Suit with Sun Hat (Green Whale 6-9 Months)

upandfast$19.714.8★6,548 rev

Hnyenmcko Baby/Toddler Boy Rash Guard Swimsuit Long Sleeve One Piece Zipper Swimwear Sunsuit Infant Bathing Suit Beachwear (Animal-Beige 0-3 Months)

Hnyenmcko$17.154.6★583 rev

Infant Boy Bathing Suit One Piece Rashguard Swimsuit with Hat Colorful Fish 0-3 Months UPF 50+ Sun Protection

UMELOK$15.694.7★1,519 rev

Gueuusu Baby Boys Girls Swimsuit One Piece Striped Zipper Bathing Suit Rash Guard Long Sleeve Seersucker Swimwear Sunsuit (Blue 3-6 Months)

Gueuusu$18.404.6★103 rev

Hnyenmcko Baby/Toddler Boy Rash Guard Swimsuit Long Sleeve One Piece Zipper Swimwear Sunsuit Infant Bathing Suit Beachwear (Animal-Beige 3-6 Months)

Hnyenmcko$17.114.6★583 rev

Newest

by launch date

Simple Joys by Carters Baby and Toddler 2-Pack 1-Piece Zip Rashguards

Simple Joys by Carter's$28.024,470 rev

2mo ago

Socutebabe Infant Baby Boy Swimsuit Toddler Boy Rash Guard Baby One Piece Zipper Swimwear Sunsuit Bathing Suit Beachwear Hat (a-Green 0-3 Months)

Socutebabe$15.3835 rev

6mo ago

Hnyenmcko Toddler Baby Boys Swim Set Long Sleeve Rashguard Swimsuit Shirt Trunks Infant Bathing Suit Swimwear with Hat (100% Polyester-Blue 0-6 Months)

Hnyenmcko$15.8139 rev

6mo ago

Nibbcoa Toddler Baby Boys Seersucker Long Sleeve One Piece Rash Guard Swimsuit Zipper Bathing Suit Swimwear with Hat (Khaki Blue 0-3 Months)

Nibbcoa$18.6921 rev

7mo ago

Gueuusu Baby Boys Girls Swimsuit One Piece Striped Zipper Bathing Suit Rash Guard Long Sleeve Seersucker Swimwear Sunsuit (Blue 3-6 Months)

Gueuusu$18.40103 rev

1y ago

What buyers say about newborn swimsuit boy

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall27%

“It fits as described”

Quality-Overall12%

“Infant swimsuit is well made”

Stretchability/Expandability/Elasticity7%

“Great product very stretchy and light”

Material Quality7%

“It was comfortable material”

Ease Of Use6%

“Easy to use”

Comfort-Overall5%

“is super comfortable”

Soft Feel5%

“The material is soft, comfortable, and feels great against my baby's skin”

Value For Money4%

“Worth the money”

Color4%

“It's a great color”

Adjustability/Rotatability/Reclining3%

“theyre adjustable to grow with baby”

What buyers complain about

Size-Overall25%

“Fits a little big”

Zipper Quality10%

“zipper broke after one time of using it”

Ease Of Use8%

“not easy to remove/put back on when wet”

Value For Money5%

“Cheap”

Quality-Overall5%

“Expected better quality for the price tag”

Sleeve Fit4%

“Sleeves are way too long”

Thickness2%

“Theyre a little thin”

Thin1%

“Very thin material”

Stitch/Finish/Polish1%

“stitching wasnt great”

Allergies1%

“My babies have sensitive skin”

Top return reasons

Size-Overall71%

Length6%

Material Quality3%

Value For Money3%

Advertised Vs Actual Product2%

Zipper Quality2%

Chest Fit1%

Color1%

Waist Fit1%