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65

stray kids

Worth a look

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 94Growth 11Conversion 14Competition 88Returns 96Price range 87Avg price 95Brand share 90Review moat 87Quality gap 24

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.81

avg listing price — sweet spot $15–$100

Market size

Great$1.9M

$1.9M/yr · 6.9M searches

Brand share

Great45%

top-5 brand share — no brand owns this niche

Competition

Great27%

top-5 click share — an open shelf

Review moat

Great263.77

avg incumbent reviews — the moat a new listing must climb

Price range

Great$6.02–$90.60

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.1%

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

Growth

Bad-29.0%

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

According to Flapen's Amazon United States niche tracking, stray kids is a $1.9M/yr Amazon United States market (6.9M searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 65/100.

Data updated Aug 2, 2026 · scored weekly · How we score niches

stray kids market data

Units sold / yr
80K–100K
avg 750–1,000/product
Revenue / yr
$2.1M–$2.6M
units × avg price
Conversion rate
1.1%
Avg BSR
#1,089
Page quality
0%
Prime
98%
Sponsored
84%
Out of stock
1.1%
Avg brand age
28 months
Avg seller age
158 days

Competition & brand share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

34 falling

Sellers

102

Top-5 brand share

45%

Top 20: 89%

Top-5 click share

27%

Top 20: 66%

Open market

50%

  • KPOP HEAVEN15%
  • JUNG KOOK10%
  • KPOPBP7%
  • eTel Like6%
  • KPOP6%
  • Generic5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -29.0% search growth over the last 90 days.
450K350KHoliday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 3.2×

Top stray kids search terms

  • stray kids3.0M/yr
  • stray kids merch1.5M/yr
  • stray kids album768K/yr
  • skz398K/yr
  • straykids352K/yr
  • skz album168K/yr
  • skz merch166K/yr
  • straykids merch100K/yr
  • felix stray kids89K/yr
  • stray kids albums90K/yr
All search terms

Top stray 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.

0%3%$58K6%$116K9%$174K12%$232K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about stray kids

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

What buyers love

Quality-Overall25%

“This wallet is excellent quality”

Value For Money15%

“Good value for the money”

Gifting Purpose11%

“Birthday Gift”

Advertised Vs Actual Product10%

“As described”

Collectibles4%

“Great cards”

Size-Overall4%

“the perfect size for my bag”

Fun/Entertainment Experience2%

“Fun album”

Durability2%

“it has not broke”

Strength2%

“sturdy”

Connectivity-Overall2%

“Cute, connects great”

What buyers complain about

Size-Overall19%

“it just barely fits”

Value For Money11%

“Way over priced”

Quality-Overall10%

“Poor quality”

Durability7%

“breaks very easily”

Advertised Vs Actual Product4%

“the photo side doesnt show the picture”

Strength3%

“breaks very easily”

Zipper Quality3%

“THE ZIPPER WONT STAY”

Chain/Key Quality2%

“the chain broke off with two of the characters”

Material Quality2%

“The material is also pretty cheap”

Print Quality2%

“Quality of print on shirt is low and plastic-y, like it's a sticker”

Top return reasons

Size-Overall36%
Advertised Vs Actual Product13%
Value For Money8%
Quality-Overall5%
Defective Material/Parts5%
Material Quality4%
Functionality-Overall2%
Connectivity-Overall2%
Product Condition2%
Adhesion/Stickiness2%

Common questions

Is stray kids profitable to sell on Amazon United States?
The niche generates $1.9M/yr across 57 tracked products. 10 of 19 products launched in the last 360 days are still selling. 90-day search growth is -29.0%. Flapen's verdict: Worth a look (65/100).
How competitive is the stray kids niche?
34 brands and 102 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 45% of demand.
What do buyers complain about in stray kids?
Top complaints mined from reviews: Size-Overall, Value For Money, Quality-Overall. The return rate is 0.8%.
When does demand for stray kids peak?
Demand peaks in Nov–Dec; the busiest month runs 3.2× the quietest.
What does it cost to enter the stray kids niche?
Listings span $6.02–$90.60; the average listing price is $25.81 (sweet spot $15–$100). The average incumbent carries 264 reviews — the moat a new listing must climb.