King Costume for Boys
Skip itSoft demand (-52.3% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$22.83avg listing price — sweet spot $15–$100
Review moat
Great249.5avg incumbent reviews — the moat a new listing must climb
Price range
Great$8.61–$39.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great58%top-5 brand share — no brand owns this niche
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$50K$50K/yr · 193K searches
Returns
Bad8.6%return rate — above 5% kills the launch gate
Growth
Bad-52.3%90-day search growth — must beat 0% to launch
Is king costume for boys profitable on Amazon?
According to Flapen's Amazon United States niche tracking, king costume for boys is a $50K/yr Amazon United States market (193K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Feb–Mar–Oct. Verdict: Skip it — 43/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
king costume for boys market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $91K–$114K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #543
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 6.6%
- Avg brand age
- 41 months
- Avg seller age
- 186 days
Competition: brands, sellers & click share
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.Brands
22 falling
Sellers
34
Top-5 brand share
58%
Top 20: 98%
Top-5 click share
44%
Top 20: 82%
Open market
37%
- Proumhang22%
- TOGROP11%
- Dagmar11%
- Dress Up America9%
- CLOOOUDS6%
- ReliBeauty5%
king costume for boys demand & seasonality
Weekly Amazon search volume, last 104 weeks — -52.3% search growth over the last 90 days.Peak months: Feb, Mar, Oct · busiest ÷ quietest = 6.9×
Top king costume for boys search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- king costume for boys52K/yr
- kids king costume23K/yr
- king costume kids18K/yr
- king outfit for boys10K/yr
- boys king costume12K/yr
- fairytale costumes for boys7K/yr
- fairy tale costumes for boys7K/yr
- king dress up for boys6K/yr
- disfraz de rey para nio7K/yr
- disney prince costume for boys5K/yr
Top king costume for boys products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
Proumhang Kids King Cape Kids Prince Cloak with Crown Queen Royal Robe for Boys Girls Coronation Cloak 80cm Red with Crown
Proumhang$11.904.0★186 rev

Dagmar Childrens King Prince Velvet Cloak Set 3-Color
Dagmar$17.514.2★41 rev

Dress Up America King Crown and Robe - King Costume for Kids - One Size Fits Most (Red)
Dress Up America$24.954.5★807 rev

CLOOOUDS King Costume Set Red Cloak Golden Crown And Scepter Set Prince Capes Halloween Costume For Kids Teen Adult
CLOOOUDS$19.534.2★326 rev

King Costume for Kids Robe Crown Scepter Set Boys Royal Prince Cape Dress Up Cosplay Red
TOGROP$18.533.8★534 rev
Newest
by launch date
ACLGCSU King Costume for Kids 90cm Cape Boys Halloween Costume Prince Cape Dress Up Christmas Party (Blue)
ACLGCSU$15.8421 rev

Akokvlar 9 Pcs Prince Charming Costume for Boys Medieval Royal King Outfits for Kids (White 7-8 Years)
Akokvlar$19.4194 rev

Kosgraiy Kids King Costume Blue King Cape and Crown Scepter Kings Robe Kids Halloween Costume Kings Outfit for Boys M/41inch
Kosgraiy$30.98103 rev

Dagmar Childrens King Prince Velvet Cloak Set 3-Color
Dagmar$17.5141 rev

Dagmar Childrens King Prince Velvet Cloak Set 3-Color
Dagmar$17.4741 rev
Trending
90-day click momentum
Akokvlar 9 Pcs Prince Charming Costume for Boys Medieval Royal King Outfits for Kids (White 7-8 Years)
Akokvlar$19.414.5★

Dress Up America King Costume for Boys & Girls Crown & Velvet Robe Set - Halloween Royal Cape Dress Up for Kids (Blue)
Dress Up America$25.794.5★

Gorkonpy Prince Costume for Boys Halloween Kids Prince Charming Costume for Toddler Boys (Blue 5-6 Years)
Gorkonpy$27.234.7★

Dagmar Childrens King Prince Velvet Cloak Set 3-Color
Dagmar$17.514.2★

Rubies King Cape for Kids Boys No Size
Rubies$8.614.0★
What reviews say buyers love and hate about king costume for boys
What buyers praise and complain about, mined from review topics.What buyers love
“Very well made”
“Size and fit were accurate”
“Great value”
“Useful”
“Even the material and quality looked good”
“the material was velvety smooth”
“Look just like the picture”
“Looks great and fun”
“it was comfortable”
“Its very durable and child proof”
What buyers complain about
“broke instantly”
“Very cheaply made”
“does run a little big”
“Strings tore the very first time I tried to tie them”
“Velcro fell off”
“does not match the size chart”
“Very cheap material”
“Not worth the price”
“All the gems came off the crown”
“The colors were super off”
Top return reasons
Common king costume for boys questions
- Is king costume for boys profitable to sell on Amazon United States?
- The niche generates $50K/yr across 34 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -52.3%. Flapen's verdict: Skip it (43/100).
- How competitive is the king costume for boys niche?
- 22 brands and 34 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in king costume for boys?
- Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 8.6% — above our launch gate.
- When does demand for king costume for boys peak?
- Demand peaks in Feb–Mar–Oct; the busiest month runs 6.9× the quietest.
- What does it cost to enter the king costume for boys niche?
- Listings span $8.61–$39.25; the average listing price is $22.83 (sweet spot $15–$100). The average incumbent carries 250 reviews — the moat a new listing must climb.