---
title: "Dissolving Swim Trunks Men — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/dissolving-swim-trunks-men"
last_updated: "2026-08-06T05:09:21.495Z"
locale: en
meta:
description: "Niche score 46/100 · $21K/yr market · 170K searches/yr · $15.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $21K/yr market · 170K searches/yr · $15.22 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Dissolving Swim Trunks Men — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **dissolving swim trunks men**
**Skip it**
A small market ($21K/yr) — this niche doesn't clear our bar today.
Market size 5Growth 76Conversion 10Competition 79Returns 18Price range 76Avg price 76Brand share 35Review moat 50Quality gap 58
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Growth**
**Great****+63.5%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$15.22**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.50–$29.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,536.98**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****6.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$21K**
$21K/yr · 170K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, dissolving swim trunks men is a $21K/yr Amazon United States market (170K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 46/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dissolving swim trunks men market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$19K–$23K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#2,834**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **2.5%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**12 **▼falling
**Sellers**
**13**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**36%**
Top 20: 77%
**Open market**
**10%**
- LUSKOPA29% - Kaydems25% - PANGJU11% - KAILUA SURF10% - Guliorts8% - Jukagg6% - Open — no brand owns it (6 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +63.5% search growth over the last 90 days.
10K6KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 6.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/dissolving-swim-trunks-men/trend)
## **Top dissolving swim trunks men search terms**
- **dissolving swim trunks**84K/yr+84.5%0.7% conv. - **dissolvable swim trunks**23K/yr+86.3%0.6% conv. - **dissolving swim trunks men**39K/yr-22.1%0.9% conv. - **disintegrating swim trunks**6K/yr+132.5%0.6% conv. - **mens dissolving swim trunks**6K/yr+38.1%0.9% conv. - **dissolvable swim trunks men**7K/yr-19.5%0.4% conv. - **mens disolving swimsuit trunks**3K/yr+36.0%0.6% conv. - **dissolvable swim trunks prank**527/yr+308.2%0.4% conv. - **dissolvable swimming trunks prank**195/yr+102.7%0.0% conv. - **disappearing swim trunks prank men**479/yr-17.1%3.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/dissolving-swim-trunks-men/search-terms)
## **Top dissolving swim trunks men 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%$6436%$1K9%$2K12%$3K101001K10K 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**Dissolving Swim Trunks Prank Shorts Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool(Cyan Blue Large)**LUSKOPA**$15.10**4.5★575 rev](https://www.amazon.com/dp/B0B1QNP6PC) [2**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D3 XL**Kaydems**$16.32**4.4★162 rev](https://www.amazon.com/dp/B0BVD876B8) [3**Dissolving Swim Trunks Prank Shorts Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool(Shark Blue Large)**LUSKOPA**$14.91**4.5★575 rev](https://www.amazon.com/dp/B0C49XD6DS) [4**Dissolving Swim Trunks Prank Stuff Funny Shorts Gag Gifts for Brother Boyfriend Bachelor Beach Party in The Swimming Pool(Black Shark Large)**Jukagg**$11.82**4.6★35 rev](https://www.amazon.com/dp/B0D46JWNBD) [5**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D3 L**Kaydems**$16.58**4.4★162 rev](https://www.amazon.com/dp/B0BVDR4BL2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Guliorts Mens Dissolving Swim Trunks Prank Shorts Dissolvable Bathing Suit Funny Bachelor Beach Party Gag Gift for Brother Boyfriend L**Guliorts**$14.96**356 rev3mo ago](https://www.amazon.com/dp/B0GVMSKYPD) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 XXL**Kaydems**$15.36**162 rev5mo ago](https://www.amazon.com/dp/B0GMWP3HCS) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 M**Kaydems**$15.09**162 rev5mo ago](https://www.amazon.com/dp/B0GMT5R8MT) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 S**Kaydems**$15.13**162 rev5mo ago](https://www.amazon.com/dp/B0GMTK7NRM) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D8 M**Kaydems**$15.42**162 rev5mo ago](https://www.amazon.com/dp/B0GMVDBMRP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials Mens 9 Quick-Dry Swim Trunk Light Yellow X-Small**Amazon Essentials**$12.83**4.3★**▲ 43%**](https://www.amazon.com/dp/B0FJS5LNW7) [**Guliorts Mens Dissolving Swim Trunks Prank Shorts Dissolvable Bathing Suit Funny Bachelor Beach Party Gag Gift for Brother Boyfriend L**Guliorts**$14.96**4.4★**▲ 43%**](https://www.amazon.com/dp/B0GVMSKYPD) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 S**Kaydems**$15.13**4.4★**▲ 43%**](https://www.amazon.com/dp/B0GMTK7NRM) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 XXL**Kaydems**$15.36**4.4★**▲ 43%**](https://www.amazon.com/dp/B0GMWP3HCS) [**Mens Dissolving Swim Trunks Prank Trunks Funny Gift for Brother Boyfriend Bachelor Beach Party in The Swimming Pool D7 M**Kaydems**$15.09**4.4★**▲ 43%**](https://www.amazon.com/dp/B0GMT5R8MT)
**~~View all trending →~~**
## **What buyers say about dissolving swim trunks men**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**37%
*“Really well made”*
**Size-Overall**26%
*“Fit well”*
**Comfort-Overall**19%
*“Very comfortable”*
**Value For Money**6%
*“Good for, good price, really cool looking shorts”*
**Color**3%
*“Great colors”*
**Water Resistance**2%
*“Good for any water”*
### **What buyers complain about **
**Size-Overall**18%
*“Sizing not right”*
**Value For Money**14%
*“not really worth the $15”*
**Functionality-Overall**14%
*“Did not work as expected”*
**Transparency**9%
*“Very see-through”*
**Stitch/Finish/Polish**9%
*“Stitching was only thing to dissolve”*
**Durability**6%
*“These are obviously not durable”*
**Thickness**5%
*“Very thin, feel very cheap like they'll fall apart after a few washes”*
**Quality-Overall**5%
*“Definitely not a quality product”*
**Advertised Vs Actual Product**5%
*“The description says fully dissolving but they are not”*
**Natural Resource Wastage**3%
*“Waste of money”*
### **Top return reasons **
**Size-Overall**61%
**Length**9%
**Waist Fit**9%
**Hip Fit**4%
**Color**4%
**Advertised Vs Actual Product**2%
**Material Quality**2%
**Thigh Fit**2%
**Shape/Style**1%
**Value For Money**1%
## **Common questions**
- **Is dissolving swim trunks men profitable to sell on Amazon United States?**
- The niche generates $21K/yr across 47 tracked products. 1 of 11 products launched in the last 360 days are still selling. 90-day search growth is +63.5%. Flapen's verdict: Skip it (46/100).
- **How competitive is the dissolving swim trunks men niche?**
- 12 brands and 13 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in dissolving swim trunks men?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Functionality-Overall. The return rate is 6.9% — above our launch gate.
- **When does demand for dissolving swim trunks men peak?**
- Demand peaks in Jun–Jul–Aug; the busiest month runs 6.6× the quietest.
- **What does it cost to enter the dissolving swim trunks men niche?**
- Listings span $10.50–$29.35; the average listing price is $15.22 (sweet spot $15–$100). The average incumbent carries 1,537 reviews — the moat a new listing must climb.
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