---
title: "Quarter Round Molding — $139K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/quarter-round-molding"
last_updated: "2026-08-08T17:33:41.247Z"
locale: en
meta:
description: "Niche score 48/100 · $139K/yr market · 265K searches/yr · $24.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $139K/yr market · 265K searches/yr · $24.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Quarter Round Molding — $139K/yr Amazon US Niche (2026) - Flapen"
---
# **quarter round molding**
**Skip it**
High returns (5.9%) — this niche doesn't clear our bar today.
Market size 31Growth 26Conversion 27Competition 55Returns 22Price range 86Avg price 95Brand share 46Review moat 87Quality gap 82
**Avg price**
**Incredible****$24.75**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****264.09**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$7.02–$80.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$139K**
$139K/yr · 265K searches
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+0.4%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****5.9%**
return rate — above 5% kills the launch gate
**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, quarter round molding is a $139K/yr Amazon United States market (265K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **quarter round molding market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$149K–$198K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#87**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **91%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**52%**
Top 20: 96%
**Open market**
**19%**
- Conwang30% - Risunpet23% - FLEXTRIM13% - KNEELISA7% - MUSRCYIO4% - YIYAO3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.4% search growth over the last 90 days.
6K4KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/quarter-round-molding/trend)
## **Top quarter round molding search terms**
- **quarter round molding**57K/yr+0.2%1.4% conv. - **quarter round trim**21K/yr+3.2%0.6% conv. - **flexible quarter round molding**29K/yr-1.1%3.9% conv. - **shoe molding**23K/yr+3.1%0.9% conv. - **quarter round**24K/yr-6.9%1.1% conv. - **flex trim**19K/yr+15.7%0.6% conv. - **peel and stick quarter round trim**13K/yr-14.1%1.8% conv. - **flexible molding for arches**10K/yr+19.8%0.0% conv. - **flexible quarter round**10K/yr+10.5%3.6% conv. - **adhesive quarter round trim**6K/yr+18.5%1.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/quarter-round-molding/search-terms)
## **Top quarter round molding 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%10%$14K20%$28K30%$42K40%$56K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Flexible Quarter Round Molding Bendable Molding Trim Peel and Stick Silicone Rubber Edge Trim for Floor Tub Cabinet Flexible Shoe Molding Around Curved Stairs Columns and Wall-118 L x 0.6 W x 0.6 H**Conwang**$20.30**4.1★400 rev](https://www.amazon.com/dp/B0DB7K55TX) [2**Flexible Quarter Round Molding Trim Peel and Stick 118Inch White Small Self Adhesive Silicone Shoe Moulding Bendable Mini Waterproof Caulk Strip for Baseboard Wall Bathtub Floor Bathroom Crown**KNEELISA**$16.75**4.0★162 rev](https://www.amazon.com/dp/B0FVLYS6WB) [3**FLEXTRIM # WM105: 3/4 x 3/4 Flexible Quarter Round Molding - 8 feet Long - Made in The USA**FLEXTRIM**$29.37**4.5★996 rev](https://www.amazon.com/dp/B07QBD5X1W) [4**Risunpet Flexible Quarter Round Molding Trim 3/4 in x 10 ft White**Risunpet**$27.83**4.4★212 rev](https://www.amazon.com/dp/B0DLB8TZYD) [5**0.25 x 0.25 Mini Quarter Round Molding 10FT Ultra-Slim Peel and Stick Trim for Small Gaps Countertop Wall Seam Window Sill Desk & Cabinet Edge Flexible Self Adhesive Finishing Strip**Risunpet**$21.33**4.4★212 rev](https://www.amazon.com/dp/B0FXWDMYHL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Flexible Quarter Round Molding Trim Peel and Stick Silicone Rubber Edge Trim for Floor Tub Cabinet Shoe Molding Around Curved Stairs Columns & Wall Edges - 118 L x 0.6 W x 0.6 H**Vannesse**$18.58**30 rev3mo ago](https://www.amazon.com/dp/B0GVJRWPKM) [**0.25 x 0.25 Mini Quarter Round Molding 10FT Ultra-Slim Peel and Stick Trim for Small Gaps Countertop Wall Seam Window Sill Desk & Cabinet Edge Flexible Self Adhesive Finishing Strip**Risunpet**$21.33**212 rev9mo ago](https://www.amazon.com/dp/B0FXWDMYHL) [**Flexible Quarter Round Molding Bendable Molding Trim 0.6 Inch(W) x 5 Feet(L) Self Adhesive Vinyl Wall Base Peel and Stick Rubber Edge Trim for Floor Tub Around Curved Stairs(White)**YIYAO**$9.79**139 rev9mo ago](https://www.amazon.com/dp/B0FXMKFRPG) [**Flexible Quarter Round Molding Trim Peel and Stick 118Inch White Small Self Adhesive Silicone Shoe Moulding Bendable Mini Waterproof Caulk Strip for Baseboard Wall Bathtub Floor Bathroom Crown**KNEELISA**$16.75**162 rev9mo ago](https://www.amazon.com/dp/B0FVLYS6WB) [**Flexible Quarter Round Molding Trim - Peel and Stick Silicone Caulk Strip Shoe Molding for Floor Edge Wall Corner Staircase Cabinet Baseboard and Window Sill in Bathroom/Kitchen/Living Room 118 Inch**ESUFEIR**$17.18**215 rev12mo ago](https://www.amazon.com/dp/B0F9V8R4T1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Flexible Quarter Round Molding Trim Peel and Stick Silicone Rubber Edge Trim for Floor Tub Cabinet Shoe Molding Around Curved Stairs Columns & Wall Edges - 118 L x 0.6 W x 0.6 H**Vannesse**$18.58**4.5★**▲ 259%**](https://www.amazon.com/dp/B0GVJRWPKM) [**Flexible Quarter Round Molding Bendable Molding Trim 0.6 Inch(W) x 5 Feet(L) Self Adhesive Vinyl Wall Base Peel and Stick Rubber Edge Trim for Floor Tub Around Curved Stairs(White)**YIYAO**$9.79**4.5★**▲ 241%**](https://www.amazon.com/dp/B0FXMKFRPG) [**Risunpet Flexible Quarter Round Molding Mini Peel and Stick Rubber Trim Molding for Wall Edge Floor Corner Staircase Cabinet Tub Edge (White 78Inch)**Risunpet**$16.51**4.2★**▲ 136%**](https://www.amazon.com/dp/B0CRYF66J9) [**0.25 x 0.25 Mini Quarter Round Molding 10FT Ultra-Slim Peel and Stick Trim for Small Gaps Countertop Wall Seam Window Sill Desk & Cabinet Edge Flexible Self Adhesive Finishing Strip**Risunpet**$21.33**4.4★**▲ 135%**](https://www.amazon.com/dp/B0FXWDMYHL) [**Flexible Quarter Round Molding Trim Peel and Stick 118Inch White Small Self Adhesive Silicone Shoe Moulding Bendable Mini Waterproof Caulk Strip for Baseboard Wall Bathtub Floor Bathroom Crown**KNEELISA**$16.75**4.0★**▲ 43%**](https://www.amazon.com/dp/B0FVLYS6WB)
**~~View all trending →~~**
## **What buyers say about quarter round molding**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**14%
*“It is not complicated to install”*
**Ease Of Use**12%
*“Easy to use”*
**Quality-Overall**12%
*“Excellent product”*
**Adhesion/Stickiness**11%
*“Sticks well”*
**Efficiency**7%
*“Cleaning surface is a must”*
**Advertised Vs Actual Product**5%
*“Does the job”*
**Value For Money**4%
*“It was a reasonable price”*
**Ease Of Cleaning**4%
*“Cleaning surface is a must”*
**Strength**3%
*“Sturdy”*
**Design-Overall**3%
*“And it looks great”*
### **What buyers complain about **
**Adhesion/Stickiness**40%
*“Poor Adhesive”*
**Size-Overall**9%
*“Didnt work for me it was too big”*
**Functionality-Overall**6%
*“Did not work”*
**Color**5%
*“they did not like the color match caulk”*
**Thickness**2%
*“its very thick, chunky and refuses to uncoil”*
**Connectivity-Overall**2%
*“Did not connect to tub”*
**Flatness**2%
*“will try to retain the curled shape making it impossible to lay it straight”*
**Durability**2%
*“This stuff just falls off over time”*
**Quality-Overall**2%
*“Garbage”*
**Value For Money**2%
*“the product is not worth the cost”*
### **Top return reasons **
**Size-Overall**43%
**Adhesion/Stickiness**13%
**Advertised Vs Actual Product**7%
**Color**7%
**Functionality-Overall**6%
**Material Quality**4%
**Thickness**3%
**Quality-Overall**3%
**Compatibility-Overall**2%
**Value For Money**2%
## **Common questions**
- **Is quarter round molding profitable to sell on Amazon United States?**
- The niche generates $139K/yr across 23 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Skip it (48/100).
- **How competitive is the quarter round molding niche?**
- 14 brands and 16 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in quarter round molding?**
- Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Functionality-Overall. The return rate is 5.9% — above our launch gate.
- **When does demand for quarter round molding peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the quarter round molding niche?**
- Listings span $7.02–$80.43; the average listing price is $24.75 (sweet spot $15–$100). The average incumbent carries 264 reviews — the moat a new listing must climb.
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