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52

string bikini underwear for women

Worth a look

Shows a fragmented shelf (top 5 take 18% of clicks), but weak search conversion (1.1%) keeps it on the watch list.

Market size 21Growth 23Conversion 13Competition 96Returns 67Price range 74Avg price 79Brand share 77Review moat 22Quality gap 67

Competition

Incredible18%

top-5 click share — an open shelf

Avg price

Great$16.47

avg listing price — sweet spot $15–$100

Brand share

Great58%

top-5 brand share — no brand owns this niche

Price range

Good$6.58–$38.67

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.3%

return rate — above 5% kills the launch gate

Growth

Bad-3.8%

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

Review moat

Bad8,853.72

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$82K

$82K/yr · 474K searches

Conversion

Bad1.1%

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

According to Flapen's Amazon United States niche tracking, string bikini underwear for women is a $82K/yr Amazon United States market (474K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

string bikini underwear for women market data

Units sold / yr
5K–6K
avg 0–100/product
Revenue / yr
$82K–$99K
units × avg price
Conversion rate
1.1%
Avg BSR
#1,290
Page quality
0%
Prime
97%
Sponsored
75%
Out of stock
5.0%
Avg brand age
44 months
Avg seller age
158 days

Competition & brand share

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

Brands

40 rising

Sellers

79

Top-5 brand share

58%

Top 20: 92%

Top-5 click share

18%

Top 20: 46%

Open market

35%

  • Hanes18%
  • FINETOO14%
  • LEVAO11%
  • Sexy Basics7%
  • Buankoxy7%
  • Vanity Fair7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.8% search growth over the last 90 days.
15K10KPrime Day '24Spike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top string bikini underwear for women search terms

  • string bikini panties128K/yr
  • hanes bikini underwear for women81K/yr
  • string bikini underwear51K/yr
  • string bikini underwear for women48K/yr
  • cotton string bikini underwear women33K/yr
  • womens string bikini underwear24K/yr
  • womens hanes bikini underwear17K/yr
  • hanes cotton bikini underwear for women13K/yr
  • cotton string bikini underwear13K/yr
  • hanes bikini underwear11K/yr
All search terms

Top string bikini underwear for women 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%1%$8212%$2K3%$2K4%$3K101001K10K100K 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 string bikini underwear for women

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

What buyers love

Comfort-Overall27%

“Comfortable to wear”

Size-Overall20%

“Amazing fit”

Quality-Overall9%

“Absolutely love the quality and so flattering”

Soft Feel6%

“Comfy and soft”

Material Quality5%

“Great cotton material”

Value For Money5%

“Good value for money”

Color3%

“Beautiful colors”

Breathability3%

“Comfortable and breathable”

Stretchability/Expandability/Elasticity2%

“stretchy and soft”

Advertised Vs Actual Product1%

“As advertised”

What buyers complain about

Size-Overall25%

“Awkward fit”

Quality-Overall8%

“Low quality”

Comfort-Overall7%

“Material is uncomfortable”

Material Quality5%

“Cheap material”

Stretchability/Expandability/Elasticity5%

“Not much stretch”

Stitch/Finish/Polish3%

“the seam split”

Durability3%

“Falls Apart”

Color3%

“These colors are too dark”

Advertised Vs Actual Product3%

“False advertisement”

Shrinkage Resistance2%

“Shrinks”

Top return reasons

Size-Overall52%
Waist Fit11%
Material Quality8%
Advertised Vs Actual Product4%
Thigh Fit4%
Shape/Style2%
Length2%
Thin2%
Comfort-Overall2%
Hip Fit1%

Common questions

Is string bikini underwear for women profitable to sell on Amazon United States?
The niche generates $82K/yr across 156 tracked products. 6 of 15 products launched in the last 360 days are still selling. 90-day search growth is -3.8%. Flapen's verdict: Worth a look (52/100).
How competitive is the string bikini underwear for women niche?
40 brands and 79 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in string bikini underwear for women?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Comfort-Overall. The return rate is 2.3%.
When does demand for string bikini underwear for women peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the string bikini underwear for women niche?
Listings span $6.58–$38.67; the average listing price is $16.47 (sweet spot $15–$100). The average incumbent carries 8,854 reviews — the moat a new listing must climb.