Is newborn halloween costume profitable to sell on Amazon United States?

The niche generates $48K/yr across 62 tracked products. 1 of 9 products launched in the last 360 days are still selling. 90-day search growth is +36.5%. Flapen's verdict: Skip it (46/100).

How competitive is the newborn halloween costume niche?

38 brands and 44 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 43% of demand.

What do buyers complain about in newborn halloween costume?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 7.2% — above our launch gate.

When does demand for newborn halloween costume peak?

Demand peaks in Sep–Oct–Nov; the busiest month runs 164.9× the quietest.

What does it cost to enter the newborn halloween costume niche?

Listings span $7.72–$44.88; the average listing price is $18.77 (sweet spot $15–$100). The average incumbent carries 2,557 reviews — the moat a new listing must climb.

newborn halloween costume

Skip it

Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Brand share

Great43%

top-5 brand share — no brand owns this niche

Avg price

Great$18.77

avg listing price — sweet spot $15–$100

Competition

Great36%

top-5 click share — an open shelf

Price range

Great$7.72–$44.88

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

Growth

Good+36.5%

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

Review moat

Okay2,556.73

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Returns

Bad7.2%

return rate — above 5% kills the launch gate

Market size

Bad$48K

$48K/yr · 4.2M searches

Conversion

Bad0.1%

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

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, newborn halloween costume is a $48K/yr Amazon United States market (4.2M searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 46/100.

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

newborn halloween costume market data

Units sold / yr: 10K–13K; avg 0–100/product
Revenue / yr: $188K–$235K; units × avg price
Conversion rate: 0.1%
Avg BSR: #724
Page quality: 0%
Prime: 92%
Sponsored: 76%
Out of stock: 9.5%
Avg brand age: 42 months
Avg seller age: 155 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

38 falling

Sellers

Top-5 brand share

43%

Top 20: 87%

Top-5 click share

36%

Top 20: 69%

Open market

52%

AiWMGL9%
YINGISFITM9%
M&G House9%
Dcohmch8%
Disney8%
Ledy Champswiin5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +36.5% search growth over the last 90 days.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 164.9×

Open Trend

Top newborn halloween costume search terms

newborn halloween costume399K/yr +120.9%0.0% conv.
disfraz para bebe198K/yr +48.3%0.0% conv.
baby girl halloween costumes476K/yr +98.3%0.0% conv.
baby costumes263K/yr -13.4%0.0% conv.
infant halloween costume211K/yr +127.0%0.1% conv.
newborn costume119K/yr -3.5%0.1% conv.
baby halloween costume291K/yr +153.6%0.0% conv.
baby costumes 6-12 months235K/yr -6.7%0.0% conv.
newborn halloween costume girl179K/yr +173.4%0.1% conv.
baby girl costume171K/yr -61.1%0.0% conv.

All search terms

Top newborn halloween costume 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

AiWMGL Newborn Baby Bear Outfit Suit With Fold-Over Mittens and Footies Girls Boys 0-3 Months Winter Fleece Clothes Suit Hooded Jumpsuit Romper Snowsuit

AiWMGL$19.724.5★1,465 rev

M&G House Newborn Photography Props Bathrobe Outfits Girl Baby Robe Bath Towel Costume Sets 0-6 Months(Pink)

M&G House$16.414.7★2,024 rev

YINGISFITM My First Halloween Baby Girl Outfit Newborn Pumpkin Bubble Romper Infant Jumpsuit Cute Girls Pumpkin Clothes (Pumpkin Face 0-3 Months)

YINGISFITM$14.754.6★294 rev

Baby Boy Girl Dinosaur Costume Cute Sleeveless Romper with Hat Newborn Infant Halloween Cosplay Clothes (Emerald 0-3 Months)

Dcohmch$19.964.6★167 rev

Ledy Champswiin 2Pcs Neutral Outfits Newborn Baby Boy Girl Pumpkin Romper Jumpsuit My 1st Halloween Clothes with Hat

Ledy Champswiin$13.154.6★248 rev

Newest

by launch date

Rourufy Baby Halloween Outfit Newborn Boy Girl Waffle Embroidery Pumpkin Jumpsuit Long Sleeve Romper Fall Winter Clothes (G Pumpkin Orange 0-3 Months)

Rourufy$9.3932 rev

1mo ago

Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play

Simple Joys by Carter's$15.232,819 rev

2mo ago

Simple Joys by Carters Baby 2-Pack Halloween Snap Cotton Footed Sleep and Play

Simple Joys by Carter's$15.252,819 rev

2mo ago

ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(thicken-brown 6-9M)

ZOELNIC$21.37147 rev

11mo ago

Kavousa Newborn Baby Girl Boy Halloween Outfit Pumpkin Bow Print Footies Romper Long Sleeve Ruffle Footed Jumpsuit Headband (Black 3-6 Months)

Kavousa$8.021 rev

1y ago

What buyers say about newborn halloween costume

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

What buyers love

Size-Overall20%

“Fit perfectly”

Quality-Overall15%

“Good quality”

Soft Feel11%

“Its softer than I thought it would be”

Advertised Vs Actual Product7%

“Looks like picture”

Value For Money5%

“Worth the money”

Comfort-Overall5%

“Its very comfortable”

Warmth5%

“keeps her pretty warm”

Material Quality4%

“The material was lightweight”

Ease Of Use3%

“Easy to put on”

Color2%

“And the color is so pretty in person”

What buyers complain about

Size-Overall30%

“Too tight and small on baby”

Quality-Overall13%

“Really low quality stitching”

Thickness5%

“Thicker material”

Comfort-Overall5%

“Has no comfort or warmth value”

Material Quality4%

“Low quality/junk materials”

Smell3%

“Smelled awful”

Warmth3%

“he was too warm”

Advertised Vs Actual Product2%

“Picture doesnt do it justice I took a lot off before I snapped a picture”

Value For Money2%

“Cheap as cheap could be”

Hard Feel2%

“Bad/rough quality”

Top return reasons

Size-Overall63%

Length7%

Material Quality6%

Quality-Overall4%

Advertised Vs Actual Product3%

Thin2%

Color1%

Product Condition1%

Sleeve Fit1%

Value For Money1%

Common questions

Is newborn halloween costume profitable to sell on Amazon United States?: The niche generates $48K/yr across 62 tracked products. 1 of 9 products launched in the last 360 days are still selling. 90-day search growth is +36.5%. Flapen's verdict: Skip it (46/100).
How competitive is the newborn halloween costume niche?: 38 brands and 44 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 43% of demand.
What do buyers complain about in newborn halloween costume?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 7.2% — above our launch gate.
When does demand for newborn halloween costume peak?: Demand peaks in Sep–Oct–Nov; the busiest month runs 164.9× the quietest.
What does it cost to enter the newborn halloween costume niche?: Listings span $7.72–$44.88; the average listing price is $18.77 (sweet spot $15–$100). The average incumbent carries 2,557 reviews — the moat a new listing must climb.