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50

girls bikini underwear size 12

Worth a look

Shows a sweet-spot price point ($25.73 avg), but a small market ($44K/yr) keeps it on the watch list.

Market size 11Growth 53Conversion 22Competition 89Returns 82Price range 82Avg price 95Brand share 31Review moat 50Quality gap 18

Avg price

Incredible$25.73

avg listing price — sweet spot $15–$100

Competition

Great26%

top-5 click share — an open shelf

Returns

Great1.7%

return rate — above 6% kills the launch gate

Price range

Great$10.06–$41.22

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

Growth

Good+24.0%

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

Review moat

Okay1,523.93

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Conversion

Bad1.8%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad$44K

$44K/yr · 95K searches

Competition

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

14 falling

Sellers

19

Top-5 brand share

86%

Open market

9%

  • Lucky & Me45%
  • Burt's Bees Baby16%
  • Hanes10%
  • BAMBOO COOL10%
  • Barara King5%
  • Winging Day4%
  • Open — no brand owns it (8 brands, 9%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$1K6%$3K9%$4K12%$5K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 76 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +24.0% search growth over the last 90 days.
5K4KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: May, Jun · busiest ÷ quietest = 2.0×

Reviews

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

What buyers love

Comfort-Overall15%

“Super comfortable”

Quality-Overall14%

“Well made and they are comfortable on the kids”

Soft Feel14%

“So soft”

Size-Overall14%

“fit well grandkids love them”

Value For Money4%

“Great value”

Material Quality4%

“Good material”

Design-Overall3%

“have cute designs”

Color3%

“The colors are bright”

Breathability3%

“breathable”

Stretchability/Expandability/Elasticity2%

“Soft fabric and elastic bands don't leave marks”

What buyers complain about

Size-Overall36%

“To small”

Allergies4%

“0 stars- caused horrible skin irritation for my daughter”

Stretchability/Expandability/Elasticity4%

“Poor quality elastic”

Value For Money3%

“Waste of money”

Thin3%

“Very thin”

Hard Feel3%

“not soft I finally found these”

Comfort-Overall2%

“Scratchy and not comfortable”

Absorbency2%

“They dont absorb at all”

Shrinkage Resistance2%

“shrunk so much granddaughter couldnt wear them”

Quality-Overall2%

“Look like cheap”

Top return reasons

Size-Overall62%
Waist Fit8%
Material Quality6%
Value For Money3%
Thigh Fit3%
Advertised Vs Actual Product2%
Thin2%
Length1%
Shape/Style1%
Quality-Overall1%