18 month halloween costume girl
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Brand share
Incredible39%top-5 brand share — no brand owns this niche
Avg price
Great$22.58avg listing price — sweet spot $15–$100
Price range
Great$9.77–$46.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great34%top-5 click share — an open shelf
Review moat
Good770.96avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-17.2%90-day search growth — must beat 0% to launch
Returns
Bad9.5%return rate — above 5% kills the launch gate
Market size
Bad$0$0/yr · 196K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, 18 month halloween costume girl is a $0/yr Amazon United States market (196K searches/yr). The top 5 brands hold 39% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 40/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
18 month halloween costume girl market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $23K–$28K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #432
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 10.6%
- Avg brand age
- 41 months
- Avg seller age
- 182 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
20 rising
Sellers
25
Top-5 brand share
39%
Top 20: 100%
Top-5 click share
34%
Top 20: 94%
Open market
55%
- Gakizon10%
- Dcohmch8%
- Thorn Tree7%
- LXKIKMM7%
- Yruiz7%
- ZOELNIC6%
Demand & seasonality
Weekly Amazon search volume, last 95 weeks — -17.2% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 284.2×
Top 18 month halloween costume girl search terms
- 18-24 month halloween costume girl42K/yr
- baby costumes 18-24 months12K/yr
- disfraz para bebe de 1 ao6K/yr
- costume 18 months5K/yr
- 18 month girl costume11K/yr
- 12-18 month boy halloween costume6K/yr
- baby costume 18-24 months10K/yr
- 18 month boy costume9K/yr
- 18 month costume girl11K/yr
- 1 year old costume boy9K/yr
Top 18 month halloween costume girl 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Thorn Tree Kids Firefighter Outfit Short Sleeve T-Shirt Suspender Pants Overalls Halloween Birthday Outfits (Blue 18-24 Months)
Thorn Tree$17.314.7★167 rev
LXKIKMM Baby Cowboy Cowgirl Outfit Rodeo Halloween Costume 18-24 Months
LXKIKMM$19.604.6★1,596 rev
Yruiz Newborn Baby Girl Halloween Cowgirl Costume Romper Dress Outfits Skirt Set Birthday Bodysuit With Headband18-24 Months
Yruiz$18.623.9★10 rev
Gakizon Baby Boy Halloween outfits Infant baby Toddler Boy Chucky Outfit Good guy Outfits
Gakizon$33.434.6★256 rev
ZOELNIC Baby Boy Romper Newborn Onesie Cute Baby Girl One-Piece Jumpsuits Outfits Clothes(green 18-24M)
ZOELNIC$19.434.8★147 rev
Newest
by launch date
XLSXEXCL 2PCS Baby Chef Outfit Set Baby Apron and Chef Hat for Newborn Photography Toddler Cook Role Play Cute Baking Costume for Infants Photography Cooking Bakery Theme Party (Age: 10-24 Months)
XLSXEXCL$9.7741 rev
Thorn Tree Kids Firefighter Outfit Short Sleeve T-Shirt Suspender Pants Overalls Halloween Birthday Outfits (Blue 18-24 Months)
Thorn Tree$17.31167 rev
Xuomuen Cowboy Costume Romper with Brown sheriff Hat Baby Dress Up Outfit Yellow and Blue 18-24 Months
Xuomuen$19.41121 rev
Baby Boy Girl Dinosaur Costume Cute Sleeveless Romper with Hat Newborn Infant Halloween Cosplay Clothes (Emerald 6-12 Months)
Dcohmch$19.56167 rev
Rarjuiey Halloween Toddler Girl Outfit Boo Romper Spaghetti Strap Ghost Jumpsuit Bell Bottoms Outfits Spooky Clothes (Boo Ghost Black 18-24 Months)
Rarjuiey$16.91141 rev
Trending
90-day click momentum
Xuomuen Baby Boys Prince Charming Costume Medieval Royal Prince Dress up for Infant Boys Halloween Cosplay 12-18months
Xuomuen$19.784.5★
IWEMEK Baby Boy Race Car Driver Outfit 1st Birthday Party Fast One Birthday Outfit Kids Race Car Driver Romper Girls Boys Racer Jumpsuit Toddler Speed Racing Suit Cake Smash Photo Shoot Red-1Y
IWEMEK$21.604.8★
XLSXEXCL 2PCS Baby Chef Outfit Set Baby Apron and Chef Hat for Newborn Photography Toddler Cook Role Play Cute Baking Costume for Infants Photography Cooking Bakery Theme Party (Age: 10-24 Months)
XLSXEXCL$9.774.6★
Marvel Spider-Man Miles Morales Infant Baby Boys Cosplay Romper 18 Months
Marvel$22.034.8★
Born to Love Knuckleheads Kids Monkey Coverall Mechanic Photoshoot Overall for Boys & Girls Jumpsuit Baby Outfit (Red 2T)
Born to Love$46.894.6★
What buyers say about 18 month halloween costume girl
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“High quality”
“Soft and pictures shown are accurate”
“is accurate to the picture”
“Great color”
“comfortable”
“Value for money”
“The material was lightweight”
“lightweight”
“The zipper feel fine”
What buyers complain about
“Cute runs small”
“Smelled awful”
“Only very uncomfortable”
“Not worth the price”
“i believe I received a returned product”
“A little long on my 22 month old”
“its not super stretchy”
Top return reasons
Common questions
- Is 18 month halloween costume girl profitable to sell on Amazon United States?
- The niche generates $0/yr across 24 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.2%. Flapen's verdict: Skip it (40/100).
- How competitive is the 18 month halloween costume girl niche?
- 20 brands and 25 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 39% of demand.
- What do buyers complain about in 18 month halloween costume girl?
- Top complaints mined from reviews: Size-Overall, Smell, Comfort-Overall. The return rate is 9.5% — above our launch gate.
- When does demand for 18 month halloween costume girl peak?
- Demand peaks in Sep–Oct; the busiest month runs 284.2× the quietest.
- What does it cost to enter the 18 month halloween costume girl niche?
- Listings span $9.77–$46.89; the average listing price is $22.58 (sweet spot $15–$100). The average incumbent carries 771 reviews — the moat a new listing must climb.