---
title: "4th of July Bikini — $10K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/4th-of-july-bikini"
last_updated: "2026-08-09T06:37:26.870Z"
locale: en
meta:
description: "Niche score 59/100 · $10K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $10K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "4th of July Bikini — $10K/yr Amazon US Niche (2026) - Flapen"
---
# **4th of july bikini**
**Worth a look**
Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 2Growth 100Conversion 3Competition 97Returns 4Price range 80Avg price 95Brand share 87Review moat 47Quality gap 83
**Growth**
**Incredible****>1,000%**
90-day search growth — must beat 0% to launch
**Competition**
**Incredible****14%**
top-5 click share — an open shelf
**Avg price**
**Incredible****$29.21**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$8.05–$44.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,758.53**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****10.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$10K**
$10K/yr · 135K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, 4th of july bikini is a $10K/yr Amazon United States market (135K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 59/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **4th of july bikini market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$15K–$22K**
- units × avg price
- **Conversion rate**
- **0.3%**
- **Avg BSR**
- **#248**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **67%**
- **Out of stock**
- **10.4%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen.
**Brands**
**55 **▲rising
**Sellers**
**70**
**Top-5 brand share**
**48%**
Top 20: 83%
**Top-5 click share**
**14%**
Top 20: 36%
**Open market**
**48%**
- Zando12% - ZAFUL11% - ROSEWE9% - Nigbriz8% - Century Star8% - Summer Mae5%
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — >1,000% search growth over the last 90 days.
90K70KSpike '24Spike '25Prime Day '25Spike '26 seasonSepMarJunAugMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 282.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/4th-of-july-bikini/trend)
## **Top 4th of july bikini search terms**
- **american flag tankini**23K/yr+979.6%0.3% conv. - **patriotic tankini**14K/yr>1,000%0.3% conv. - **4th of july tankini for women**13K/yr>1,000%0.3% conv. - **4th of july tankini**13K/yr>1,000%0.3% conv. - **patriotic tankini swimsuits for women**12K/yr>1,000%0.4% conv. - **red white and blue tankini swimsuit**9K/yr>1,000%0.2% conv. - **american flag tankini women**9K/yr>1,000%0.3% conv. - **red white blue tankini**8K/yr>1,000%0.2% conv. - **4th of july tankini swimsuits for women**8K/yr>1,000%0.3% conv. - **american flag tankini swimsuits for women**8K/yr+787.4%0.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/4th-of-july-bikini/search-terms)
## **Top 4th of july 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%1%$992%$1983%$2964%$3951101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**ROSEWE Two Piece Tankini Swimsuits for Women Tummy Control Bathing Suit with Skirt V-Neck Swimdress**ROSEWE**$38.14**4.0★608 rev](https://www.amazon.com/dp/B0GLYK4YTG) [2**Century Star 2025 Two Piece Womens Tankini Swimsuits Modest Tankini Bathing Suit Tops with Shorts Tummy Control Swimwear A American Flag 10-12**Century Star**$30.73**4.3★789 rev](https://www.amazon.com/dp/B0CNTG6HXQ) [3**Summer Mae Blouson Tankini Swimsuits for Women 2026 Tummy Control Two Piece Bathing Suits with Sporty Pockets Swim Shorts Flag of Hearts Size 14**Summer Mae**$44.11**4.4★4,211 rev](https://www.amazon.com/dp/B0G2BFB2RZ) [4**Womens Tankini Swimsuits High Waisted Bathing Suits Tummy Control Ruffled Top Swimwear Two Piece Swimming Suits 28 American Flag 10-12**American Trends**$26.83**4.5★10,167 rev](https://www.amazon.com/dp/B097RK9ZL6) [5**Century Star Two Piece Tankini Swimsuits for Women 2026 Tummy Control Bathing Suit with Shorts Athletic Two Side Pockets Swimwear American Flag Large**Century Star**$31.79**3.7★5 rev](https://www.amazon.com/dp/B0FVSFW8H4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Century Star Womens Tummy Control Tankini Swimsuits Chest Ruched Two Piece Tankini Bathing Suit Tops Boyshorts Swimwear American Flag 12-14**Century Star**$33.21**186 rev3mo ago](https://www.amazon.com/dp/B0GTT6TFHT) [**ZAFUL Womens Tankini Swimsuits V Neck Halter Top with Boyshorts Bottom Tummy Control Two Piece Bathing Suit 2-Flag Blue M**ZAFUL**$36.59**135 rev4mo ago](https://www.amazon.com/dp/B0GR574LL3) [**ZAFUL Womens Tankini Swimsuits V Neck Tummy Control Bow Color Block Two Piece Swimsuits Bathing Suit (5-B-Flag XL)**ZAFUL**$27.54**127 rev5mo ago](https://www.amazon.com/dp/B0GN2MGKYF) [**ROSEWE Two Piece Tankini Swimsuits for Women Tummy Control Bathing Suit with Skirt V-Neck Swimdress**ROSEWE**$38.14**608 rev5mo ago](https://www.amazon.com/dp/B0GLYK4YTG) [**ROSEWE Modest Tankini Swimsuits for Women Two Piece Athletic Womens Bathing Suits Blouson Tank Tops with Board Shorts**ROSEWE**$38.68**1,821 rev5mo ago](https://www.amazon.com/dp/B0GLYKQHN9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ROSEWE Two Piece Tankini Swimsuits for Women Tummy Control Bathing Suit with Skirt V-Neck Swimdress**ROSEWE**$38.40**4.0★**— 2%**](https://www.amazon.com/dp/B0GLYWFJ5K) [**ZAFUL Womens Tankini Swimsuits V Neck Halter Top with Boyshorts Bottom Tummy Control Two Piece Bathing Suit 2-Flag Blue M**ZAFUL**$36.59**4.4★**— 2%**](https://www.amazon.com/dp/B0GR574LL3) [**ROSEWE Modest Tankini Swimsuits for Women Two Piece Athletic Womens Bathing Suits Blouson Tank Tops with Board Shorts**ROSEWE**$38.68**4.4★**— 2%**](https://www.amazon.com/dp/B0GLYKQHN9) [**Summer Mae Blouson Tankini Swimsuits for Women 2026 Tummy Control Two Piece Bathing Suits with Sporty Pockets Swim Shorts Flag of Hearts Size 14**Summer Mae**$44.11**4.4★**— 2%**](https://www.amazon.com/dp/B0G2BFB2RZ) [**Century Star Womens Tummy Control Tankini Swimsuits Chest Ruched Two Piece Tankini Bathing Suit Tops Boyshorts Swimwear American Flag 12-14**Century Star**$33.21**4.3★**— 2%**](https://www.amazon.com/dp/B0GTT6TFHT)
**~~View all trending →~~**
## **What buyers say about 4th of july bikini**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**37%
*“Happy with the fit”*
**Quality-Overall**10%
*“Good quality”*
**Comfort-Overall**9%
*“So comfortable”*
**Shape/Style**7%
*“Great style”*
**Color**7%
*“I love the color”*
**Material Quality**6%
*“Great material”*
**Value For Money**3%
*“Worth the money”*
**Design-Overall**2%
*“The patriotic design is vibrant and eye-catching”*
**Chest Fit**2%
*“this top would fit various chest sized women”*
**Exercise/Sports Suitability**1%
*“comfortable for active play”*
### **What buyers complain about **
**Size-Overall**35%
*“Runs very small”*
**Chest Fit**6%
*“the only reason I didn't give it 5* is because there's not much bust support”*
**Color**5%
*“Not blue”*
**Shape/Style**3%
*“Dont match up the triangle shape in the middle is different on both levels”*
**Comfort-Overall**3%
*“they were not comfortable”*
**Transparency**3%
*“Extremely see through”*
**Quality-Overall**2%
*“Poor quality”*
**Waist Fit**2%
*“Bottoms run large”*
**Shoulder Fit**2%
*“A little short in the torso”*
**Smell**2%
*“It smells”*
### **Top return reasons **
**Size-Overall**54%
**Chest Fit**16%
**Waist Fit**7%
**Length**4%
**Shape/Style**3%
**Hip Fit**3%
**Material Quality**2%
**Color**2%
**Advertised Vs Actual Product**2%
**Feet Fit**1%
## **Common questions**
- **Is 4th of july bikini profitable to sell on Amazon United States?**
- The niche generates $10K/yr across 169 tracked products. 16 of 80 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the 4th of july bikini niche?**
- 55 brands and 70 sellers compete. The top 5 products take 14% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in 4th of july bikini?**
- Top complaints mined from reviews: Size-Overall, Chest Fit, Color. The return rate is 10.8% — above our launch gate.
- **When does demand for 4th of july bikini peak?**
- Demand peaks in Jun–Jul; the busiest month runs 282.4× the quietest.
- **What does it cost to enter the 4th of july bikini niche?**
- Listings span $8.05–$44.31; the average listing price is $29.21 (sweet spot $15–$100). The average incumbent carries 1,759 reviews — the moat a new listing must climb.
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