---
title: "Selcon — $37K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/selcon"
last_updated: "2026-07-21T17:36:06.163Z"
locale: en
meta:
description: "Niche score 35/100 · $37K/yr market · 12K searches/yr · $21.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $37K/yr market · 12K searches/yr · $21.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Selcon — $37K/yr Amazon US Niche (2026) - Flapen"
---
# **selcon**
**Skip it**
A concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Market size 9Growth 24Conversion 97Competition 3Returns 22Price range 88Avg price 90Brand share 10Review moat 33Quality gap 58
**Conversion**
**Incredible****14.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$21.02**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.94–$36.49**
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****3,154.67**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-2.6%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****6.7%**
return rate — above 6% kills the launch gate
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$37K**
$37K/yr · 12K searches
**Competition**
**Bad****96%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, selcon is a $37K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 35/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **selcon market data**
- **Units sold / yr**
- **2K–3K**
- avg 500–750/product
- **Revenue / yr**
- **$42K–$53K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **14.8%**
- **Avg BSR**
- **#301**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **122 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**21**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**96%**
Top 20: 100%
**Open market**
**0%**
- American Marine74% - Boyd Enterprises6% - Generic6% - Niidor5% - queensecret5% - Brightwell Aquatics4%
## **Demand & seasonality**
Weekly Amazon search volume, last 73 weeks — -2.6% search growth over the last 90 days.
300200Spike '25Prime Day '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/selcon/trend)
## **Top selcon 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%20%$7K40%$15K60%$22K80%$30K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**American Marine Selcon 60 mL**American Marine**$18.93**4.7★976 rev](https://www.amazon.com/dp/B000255MGU) [2**Boyd Enterprises Vita Chem Marine Vitamin Supplement for Aquarium 4-Ounce Black (VCM04)**Boyd Enterprises**$12.94**4.7★1,711 rev](https://www.amazon.com/dp/B00025YRIE) [3**Generic Selcon American marine Aquarium Fish Food (2 Small Bottles = 120mL Total)**Generic**$36.49**4.3★8 rev](https://www.amazon.com/dp/B0D9TWHFYT) [4**Niidor Adhesive Bra Strapless Ultra Sticky Invisible Push up Silicone Bra Multiple Colors Sizes Reusable for Backless Dress**Niidor**$22.98**4.0★13,408 rev](https://www.amazon.com/dp/B07RSXYKK3) [5**Adhesive Bra Push up Strapless Self Adhesive Bra Invisible Silicone Bra for Backless Dress (B Nude)**queensecret**$19.76**4.0★2,655 rev](https://www.amazon.com/dp/B09K7KGLSV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Generic Selcon American marine Aquarium Fish Food (2 Small Bottles = 120mL Total)**Generic**$36.49**8 rev2y ago](https://www.amazon.com/dp/B0D9TWHFYT) [**Adhesive Bra Push up Strapless Self Adhesive Bra Invisible Silicone Bra for Backless Dress (B Nude)**queensecret**$19.76**2,655 rev4y ago](https://www.amazon.com/dp/B09K7KGLSV) [**Niidor Adhesive Bra Strapless Ultra Sticky Invisible Push up Silicone Bra Multiple Colors Sizes Reusable for Backless Dress**Niidor**$22.98**13,408 rev7y ago](https://www.amazon.com/dp/B07RSXYKK3) [**Brightwell Aquatics Vitamarin M - Liquid Multivitamin Supplement for Marine Fish Aquariums 125-ML**Brightwell Aquatics**$15.02**170 rev17y ago](https://www.amazon.com/dp/B001TI6H7M) [**American Marine Selcon 60 mL**American Marine**$18.93**976 rev21y ago](https://www.amazon.com/dp/B000255MGU)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Adhesive Bra Push up Strapless Self Adhesive Bra Invisible Silicone Bra for Backless Dress (B Nude)**queensecret**$19.76**4.0★**▲ 279%**](https://www.amazon.com/dp/B09K7KGLSV) [**Niidor Adhesive Bra Strapless Ultra Sticky Invisible Push up Silicone Bra Multiple Colors Sizes Reusable for Backless Dress**Niidor**$22.98**4.0★**▲ 278%**](https://www.amazon.com/dp/B07RSXYKK3) [**American Marine Selcon 60 mL**American Marine**$18.93**4.7★**— 0%**](https://www.amazon.com/dp/B000255MGU) [**Boyd Enterprises Vita Chem Marine Vitamin Supplement for Aquarium 4-Ounce Black (VCM04)**Boyd Enterprises**$12.94**4.7★**▼ 19%**](https://www.amazon.com/dp/B00025YRIE) [**Generic Selcon American marine Aquarium Fish Food (2 Small Bottles = 120mL Total)**Generic**$36.49**4.3★**▼ 35%**](https://www.amazon.com/dp/B0D9TWHFYT)
**~~View all trending →~~**
## **What buyers say about selcon**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Adhesion/Stickiness**21%
*“The adhesive is strong”*
**Comfort-Overall**14%
*“It feels comfortable”*
**Size-Overall**13%
*“Fits great”*
**Quality-Overall**9%
*“Excellent product”*
**Ease Of Use**6%
*“Easy to use”*
**Strap/String Quality**3%
*“It is comfortable, discreet, and perfect for any outfit—though it is absolutely fabulous for strapless styles”*
**Shape/Style**3%
*“natural look under clothing”*
**Value For Money**3%
*“Great value for the price”*
**Advertised Vs Actual Product**2%
*“Did the job”*
**Soft Feel**2%
*“The material feels soft”*
### **What buyers complain about **
**Adhesion/Stickiness**34%
*“Terrible Adhesion”*
**Sweat Resistance**8%
*“definitely starts to slide off when you sweat”*
**Durability**8%
*“Broke within 20 minutes”*
**Size-Overall**5%
*“The cups were too big”*
**Quality-Overall**4%
*“The product feels cheaply made”*
**Allergies**4%
*“Caused Severe Skin Irritation”*
**Functionality-Overall**4%
*“doesnt perform as expected”*
**Comfort-Overall**2%
*“The silicone also feels cheap and uncomfortable”*
**Thickness**2%
*“But the thick”*
**Value For Money**2%
*“not economical”*
### **Top return reasons **
**Size-Overall**53%
**Chest Fit**16%
**Adhesion/Stickiness**12%
**Functionality-Overall**4%
**Advertised Vs Actual Product**2%
**Material Quality**2%
**Defective Material/Parts**2%
**Comfort-Overall**1%
**Value For Money**1%
**Product Condition**1%
## **Common questions**
- **Is selcon profitable to sell on Amazon United States?**
- The niche generates $37K/yr across 6 tracked products. 90-day search growth is -2.6%. Flapen's verdict: Skip it (35/100).
- **How competitive is the selcon niche?**
- 6 brands and 21 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in selcon?**
- Top complaints mined from reviews: Adhesion/Stickiness, Sweat Resistance, Durability. The return rate is 6.7% — above our launch gate.
- **When does demand for selcon peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the selcon niche?**
- Listings span $12.94–$36.49; the average listing price is $21.02 (sweet spot $15–$100). The average incumbent carries 3,155 reviews — the moat a new listing must climb.
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