rumi golden costume kids
Worth a lookShows a sweet-spot price point ($36.51 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$36.51avg listing price — sweet spot $15–$100
Review moat
Great110.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Competition
Great26%top-5 click share — an open shelf
Price range
Great$9.54–$107.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great54%top-5 brand share — no brand owns this niche
Market size
Good$281K$281K/yr · 687K searches
Returns
Bad6.1%return rate — above 5% kills the launch gate
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-25.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, rumi golden costume kids is a $281K/yr Amazon United States market (687K searches/yr). The top 5 brands hold 54% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
rumi golden costume kids market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $146K–$183K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #2,102
- Page quality
- 0%
- Prime
- 68%
- Sponsored
- 77%
- Out of stock
- 38.7%
- Avg brand age
- 18 months
- Avg seller age
- 200 days
Competition & brand share
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.Brands
37
Sellers
43
Top-5 brand share
54%
Top 20: 89%
Top-5 click share
26%
Top 20: 56%
Open market
41%
- WYYXXT25%
- AOVCLKID13%
- FENGLONG-YB7%
- Binbo6%
- Lgandpg5%
- Coolproud5%
Demand
Weekly Amazon search volume, last 36 weeks — -25.4% search growth over the last 90 days.Top rumi golden costume kids search terms
- rumi outfit60K/yr
- traje de rumi para nias43K/yr
- rumi golden costume70K/yr
- rumi costume 4t25K/yr
- rumi outfit girls17K/yr
- rumi costume 5t21K/yr
- rumi golden costume kids115K/yr
- rumi jacket kids57K/yr
- rumi costume kids 3t9K/yr
- rumi toddler costume24K/yr
Top rumi golden costume kids 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
WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Pop Outfits(4-5T Yellow)
WYYXXT$23.544.2★3 rev
WYYXXT 2Pcs Girls Rumi Princess Loose Comfortable Home Wear Dress 5-6 Years Multicolor
WYYXXT$24.055.0★3 rev
AOVCLKID Girls Princess Rumi Cartoon Print Flutter Sleeves Dress(4-5 Years Yellow)
AOVCLKID$19.505.0★4 rev
WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Outfits(6-7 Years Yellow)
WYYXXT$23.144.2★3 rev
Rumi Costume Kids Girls Kpop Halloween Cosplay 3-4Y
Coolproud$47.304.4★18 rev
Newest
by launch date
Xefenki Girls Rumi Costume Kids Kpop Halloween Cosplay Costumes 3-4Y
Xefenki$36.407 rev
WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Outfits(6-7 Years Yellow)
WYYXXT$23.143 rev
AOVCLKID Girls Rumi Princess Loose Comfortable Home Wear Dress 7-8 Years Yellow/Gold
AOVCLKID$21.189 rev
KPJSDT Girls Stage Costume Jacket Tank Top Shorts Set Printed Halloween Outfit for Kids Party Dress Up
KPJSDT$34.9720 rev
WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Pop Outfits(4-5T Yellow)
WYYXXT$23.543 rev
Trending
90-day click momentumAOVCLKID Girls Rumi Princess Loose Comfortable Home Wear Dress 7-8 Years Yellow/Gold
AOVCLKID$21.184.8★
WYYXXT Girls Rumi Princess Cartoon Daily Dress Halloween Birthday Party Outfits(6-7 Years Yellow)
WYYXXT$23.144.2★
AOVCLKID Girls Princess Rumi Cartoon Print Flutter Sleeves Dress(4-5 Years Yellow)
AOVCLKID$19.505.0★
Xefenki Girls Rumi Costume Kids Kpop Halloween Cosplay Costumes 3-4Y
Xefenki$36.404.7★
KPJSDT Girls Stage Costume Jacket Tank Top Shorts Set Printed Halloween Outfit for Kids Party Dress Up
KPJSDT$34.974.5★
What buyers say about rumi golden costume kids
What buyers praise and complain about, mined from review topics.What buyers love
“so the size chart is accurate”
“Decent quality shirt”
“Color was accurate”
“Looks just like the pictures”
“The material feel soft and smooth”
“Worth it”
“Ease to use”
“Gift”
“seems to be pretty durable”
“Soft material”
What buyers complain about
“Bad quality”
“its already cracking”
“Runs extremely large”
“it is extremely expensive”
“Cheap material”
“the shirt was a different black”
“Poor quality print”
“Smell is so awful”
“is fragile”
“also that this was resold it was for a birthday party this weekend so gross especially when purchased as a new item for it came with no tags just in a plastic bag”
Top return reasons
Common questions
- Is rumi golden costume kids profitable to sell on Amazon United States?
- The niche generates $281K/yr across 88 tracked products. 23 of 84 products launched in the last 360 days are still selling. 90-day search growth is -25.4%. Flapen's verdict: Worth a look (57/100).
- How competitive is the rumi golden costume kids niche?
- 37 brands and 43 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in rumi golden costume kids?
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 6.1% — above our launch gate.
- What does it cost to enter the rumi golden costume kids niche?
- Listings span $9.54–$107.45; the average listing price is $36.51 (sweet spot $15–$100). The average incumbent carries 110 reviews — the moat a new listing must climb.