Skip to content
66

black bikini

Worth a look

Shows no brand lock-in (top 5 brands take 34% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 71Growth 83Conversion 5Competition 95Returns 0Price range 77Avg price 94Brand share 96Review moat 48Quality gap 76

Brand share

Incredible34%

top-5 brand share — no brand owns this niche

Competition

Incredible18%

top-5 click share — an open shelf

Avg price

Great$22.58

avg listing price — sweet spot $15–$100

Growth

Great+80.2%

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

Price range

Great$8.98–$35.80

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$769K

$769K/yr · 9.2M searches

Review moat

Okay1,700.59

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad0.4%

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

Returns

Bad12.8%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, black bikini is a $769K/yr Amazon United States market (9.2M searches/yr). The top 5 brands hold 34% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 66/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

black bikini market data

Units sold / yr
30K–40K
avg 250–500/product
Revenue / yr
$677K–$903K
units × avg price
Conversion rate
0.4%
Avg BSR
#91
Page quality
0%
Prime
100%
Sponsored
94%
Out of stock
0.0%
Avg brand age
40 months
Avg seller age
157 days

Competition & brand share

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

Brands

47 falling

Sellers

53

Top-5 brand share

34%

Top 20: 78%

Top-5 click share

18%

Top 20: 41%

Open market

62%

  • Suvimuga12%
  • Tainehs6%
  • Sucrefas6%
  • OZICERD5%
  • CUPSHE4%
  • Amazon Essentials4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +80.2% search growth over the last 90 days.
450K350KSpike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 7.5×

Top black bikini search terms

  • bikini top1.6M/yr
  • thong bikini841K/yr
  • bikini tops for women694K/yr
  • black bikini804K/yr
  • thong bikini sets for women530K/yr
  • blue bikini362K/yr
  • triangle bikini469K/yr
  • bikini tops415K/yr
  • polka dot bikini396K/yr
  • string bikini435K/yr
All search terms

Top black bikini 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%2%$15K4%$31K6%$46K8%$62K101001K10K100K 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 black bikini

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

What buyers love

Size-Overall32%

“Fit well”

Quality-Overall10%

“So cute AND well-made”

Shape/Style7%

“Very flattering”

Comfort-Overall7%

“Supportive and comfortable”

Color7%

“Cute color”

Material Quality6%

“the material is soft”

Value For Money4%

“Its a good bikini top for the price”

Advertised Vs Actual Product3%

“Fits exactly as shown”

Strap/String Quality2%

“I love the adjustable straps”

Adjustability/Rotatability/Reclining2%

“Lots of adjustability”

What buyers complain about

Size-Overall29%

“Too small”

Quality-Overall6%

“Cheap quality”

Chest Fit4%

“The bust band is so tight”

Material Quality3%

“cheap material”

Strap/String Quality3%

“the strap's adjustable sliders did not stay in place”

Advertised Vs Actual Product3%

“Not as advertised”

Color3%

“will lose color after the first use”

Stitch/Finish/Polish2%

“the seams on the side were weird”

Shape/Style2%

“Wrong top style”

Waist Fit2%

“Theres hardly any lower tummy coverage as the cut of the bottoms is a lot lower than anticipated”

Top return reasons

Size-Overall45%
Chest Fit29%
Hip Fit4%
Waist Fit3%
Shape/Style3%
Advertised Vs Actual Product2%
Material Quality2%
Feet Fit2%
Length1%
Color1%

Common questions

Is black bikini profitable to sell on Amazon United States?
The niche generates $769K/yr across 123 tracked products. 11 of 29 products launched in the last 360 days are still selling. 90-day search growth is +80.2%. Flapen's verdict: Worth a look (66/100).
How competitive is the black bikini niche?
47 brands and 53 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 34% of demand.
What do buyers complain about in black bikini?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Chest Fit. The return rate is 12.8% — above our launch gate.
When does demand for black bikini peak?
Demand peaks in May–Jun–Jul; the busiest month runs 7.5× the quietest.
What does it cost to enter the black bikini niche?
Listings span $8.98–$35.80; the average listing price is $22.58 (sweet spot $15–$100). The average incumbent carries 1,701 reviews — the moat a new listing must climb.