---
title: "Window Grid Kit — $87K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/window-grid-kit"
last_updated: "2026-08-08T13:39:20.606Z"
locale: en
meta:
  description: "Niche score 48/100 · $87K/yr market · 215K searches/yr · $31.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · $87K/yr market · 215K searches/yr · $31.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Window Grid Kit — $87K/yr Amazon US Niche (2026) - Flapen"
---

# **window grid kit**

**Skip it**

Weak search conversion (1.3%) — this niche doesn't clear our bar today.

Market size 22Growth 55Conversion 16Competition 45Returns 19Price range 79Avg price 95Brand share 42Review moat 86Quality gap 95

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****$31.76**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****281.26**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$7.85–$113.96**

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

**Growth**

**Good****+27.4%**

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

**Competition**

**Okay****58%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Okay****80%**

top-5 brand share — brands hold most of the demand

**Market size**

**Bad****$87K**

$87K/yr · 215K searches

**Returns**

**Bad****6.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****1.3%**

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

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, window grid kit is a $87K/yr Amazon United States market (215K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 48/100.

Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **window grid kit market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$79K–$95K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#432**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**87%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**12.6%**</dd>

<dt>**Avg brand age**</dt><dd>**43 months**</dd>

<dt>**Avg seller age**</dt><dd>**166 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**16 **▲rising

**Sellers**

**17**

**Top-5 brand share**

**80%**

Top 20: 100%

**Top-5 click share**

**58%**

Top 20: 97%

**Open market**

**16%**

- KEOHOLI22% - DECOHS21% - Storystore19% - Maasechs10% - WHITE HARMONY7% - BRIXWELL4% - Open — no brand owns it (10 brands, 16%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +27.4% search growth over the last 90 days.

7K5KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/window-grid-kit/trend)

## **Top window grid kit search terms**

- **window grille inserts**41K/yr+25.8%0.9% conv. - **window mullions**28K/yr+25.2%0.5% conv. - **window grid kit**26K/yr+11.3%1.5% conv. - **window grid inserts snap in**7K/yr+223.1%0.7% conv. - **window grids for existing windows**15K/yr+10.2%1.7% conv. - **window grid**11K/yr+46.2%1.3% conv. - **muntins for window**12K/yr+39.3%0.4% conv. - **window grids**10K/yr+19.6%1.4% conv. - **mullions inserts for windows**10K/yr+95.8%0.5% conv. - **window trim kit**6K/yr+52.8%0.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/window-grid-kit/search-terms)

## **Top window grid kit 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%5%$4K10%$9K15%$13K20%$17K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Storystore Window Grid Kit 0.59inx36ft Window Grille Inserts Grid Kit White TPE Self-Adhesive Peel and Stick Trim Molding Flexible Windows Mullions for Windows Door Frames Home Decoration](https://m.media-amazon.com/images/I/41wwoBLlJTL.jpg)**Storystore Window Grid Kit 0.59inx36ft Window Grille Inserts Grid Kit White TPE Self-Adhesive Peel and Stick Trim Molding Flexible Windows Mullions for Windows Door Frames Home Decoration**Storystore**$20.14**4.2★73 rev](https://www.amazon.com/dp/B0DP995D85) [2![DECOHS 33 Ft Window Grille Inserts Grid Kit- TPE Self-Adhesive Peel and Stick Trim Molding- Flexible Moulding Trim Grid Inserts for Windows Door Frames Home Decoration](https://m.media-amazon.com/images/I/51-XVAJLwLL.jpg)**DECOHS 33 Ft Window Grille Inserts Grid Kit- TPE Self-Adhesive Peel and Stick Trim Molding- Flexible Moulding Trim Grid Inserts for Windows Door Frames Home Decoration**DECOHS**$22.89**4.3★193 rev](https://www.amazon.com/dp/B0CZCRD6FF) [3![DECOHS 66 Ft Window Grille Inserts Grid Kit- TPE Self-Adhesive Peel and Stick Trim Molding- Flexible Moulding Trim Grid Inserts for Windows Door Frames Home Decoration](https://m.media-amazon.com/images/I/519XjSoF7JL.jpg)**DECOHS 66 Ft Window Grille Inserts Grid Kit- TPE Self-Adhesive Peel and Stick Trim Molding- Flexible Moulding Trim Grid Inserts for Windows Door Frames Home Decoration**DECOHS**$37.81**4.3★193 rev](https://www.amazon.com/dp/B0CZCM615P) [4![5 PCS Window Grid Kit 32.8ft Peel and Stick Window Grids DIY Window Grille Inserts Grid Kit Cuttable Wall Trim Molding Door Frames (0.2 inch Thick Black)](https://m.media-amazon.com/images/I/51XUq+FZyQL.jpg)**5 PCS Window Grid Kit 32.8ft Peel and Stick Window Grids DIY Window Grille Inserts Grid Kit Cuttable Wall Trim Molding Door Frames (0.2 inch Thick Black)**KEOHOLI**$22.25**3.9★251 rev](https://www.amazon.com/dp/B0CYL5QK96) [5![KEOHOLI 5 Rolls Total 32.8ft Window Grille Inserts Grid Kit Self Adhesive Peel and Stick Trim Simulated DIY Window Decorative PVC Strip Molding Trim Frames (0.2 inch Thick White)](https://m.media-amazon.com/images/I/51jwiakqd1L.jpg)**KEOHOLI 5 Rolls Total 32.8ft Window Grille Inserts Grid Kit Self Adhesive Peel and Stick Trim Simulated DIY Window Decorative PVC Strip Molding Trim Frames (0.2 inch Thick White)**KEOHOLI**$23.06**3.9★251 rev](https://www.amazon.com/dp/B0CYL9L9BT)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Window Grille Inserts 5 Rolls 32.8 Ft Total Peel & Stick Flexible PVC Window Grids Trim Simulated DIY Window Decorative Frame Kits for Home Door (0.12 inch Thick White)](https://m.media-amazon.com/images/I/51y86gv-yWL.jpg)**Window Grille Inserts 5 Rolls 32.8 Ft Total Peel & Stick Flexible PVC Window Grids Trim Simulated DIY Window Decorative Frame Kits for Home Door (0.12 inch Thick White)**KEOHOLI**$19.73**251 rev3mo ago](https://www.amazon.com/dp/B0GVJC3NC2) [![Oqqlin 5 Pcs Window Grille Inserts Grid Kit Total 32.8 Feet TPE Peel and Stick Wall Molding Trim Flexible White Self Adhesive Molding Trim for Home Decoration Wall Windows Door](https://m.media-amazon.com/images/I/41YgN7P3WXL.jpg)**Oqqlin 5 Pcs Window Grille Inserts Grid Kit Total 32.8 Feet TPE Peel and Stick Wall Molding Trim Flexible White Self Adhesive Molding Trim for Home Decoration Wall Windows Door**Oqqlin**$16.58**0 rev4mo ago](https://www.amazon.com/dp/B0GTTJ8BYG) [![Maasechs 24 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home](https://m.media-amazon.com/images/I/51zUfkHS3tL.jpg)**Maasechs 24 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home**Maasechs**$59.48**4 rev7mo ago](https://www.amazon.com/dp/B0GCYD8PRC) [![Maasechs 12 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home](https://m.media-amazon.com/images/I/41gLg-afsfL.jpg)**Maasechs 12 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home**Maasechs**$39.23**4 rev7mo ago](https://www.amazon.com/dp/B0GCYNHKPV) [![Oqqlin 5 Pcs Total 32.8 Feet Window Grille Inserts Grid Kit White Peel and Stick Wall Molding Trim Flexible Self Adhesive TPE Molding Trim for Walls Windows Door Home Decoration](https://m.media-amazon.com/images/I/51cHLNDRd2L.jpg)**Oqqlin 5 Pcs Total 32.8 Feet Window Grille Inserts Grid Kit White Peel and Stick Wall Molding Trim Flexible Self Adhesive TPE Molding Trim for Walls Windows Door Home Decoration**Oqqlin**$14.00**5 rev7mo ago](https://www.amazon.com/dp/B0GCCQRFZQ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Oqqlin 5 Pcs Window Grille Inserts Grid Kit Total 32.8 Feet TPE Peel and Stick Wall Molding Trim Flexible White Self Adhesive Molding Trim for Home Decoration Wall Windows Door](https://m.media-amazon.com/images/I/41YgN7P3WXL.jpg)**Oqqlin 5 Pcs Window Grille Inserts Grid Kit Total 32.8 Feet TPE Peel and Stick Wall Molding Trim Flexible White Self Adhesive Molding Trim for Home Decoration Wall Windows Door**Oqqlin**$16.58**0.0★**▲ 269%**](https://www.amazon.com/dp/B0GTTJ8BYG) [![Maasechs 24 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home](https://m.media-amazon.com/images/I/51zUfkHS3tL.jpg)**Maasechs 24 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home**Maasechs**$59.48**3.0★**▲ 266%**](https://www.amazon.com/dp/B0GCYD8PRC) [![Maasechs 12 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home](https://m.media-amazon.com/images/I/41gLg-afsfL.jpg)**Maasechs 12 Pcs 24 Plastic Window Grille Inserts White Window Grid Kit Include Grid Connectors and Fasteners for for Installing Decorative Grilles Layouts Home**Maasechs**$39.23**3.0★**▲ 264%**](https://www.amazon.com/dp/B0GCYNHKPV) [![Window Grille Inserts 5 Rolls 32.8 Ft Total Peel & Stick Flexible PVC Window Grids Trim Simulated DIY Window Decorative Frame Kits for Home Door (0.12 inch Thick White)](https://m.media-amazon.com/images/I/51y86gv-yWL.jpg)**Window Grille Inserts 5 Rolls 32.8 Ft Total Peel & Stick Flexible PVC Window Grids Trim Simulated DIY Window Decorative Frame Kits for Home Door (0.12 inch Thick White)**KEOHOLI**$19.73**3.9★**▲ 264%**](https://www.amazon.com/dp/B0GVJC3NC2) [![Storystore Window Grid Kit Window Grille Inserts Grid Kit TPE Self-Adhesive Peel and Stick Trim Molding Flexible Windows Mullions for Windows Door Frames Home Decoration (White 0.79inx36ft)](https://m.media-amazon.com/images/I/41wwoBLlJTL.jpg)**Storystore Window Grid Kit Window Grille Inserts Grid Kit TPE Self-Adhesive Peel and Stick Trim Molding Flexible Windows Mullions for Windows Door Frames Home Decoration (White 0.79inx36ft)**Storystore**$24.30**4.2★**▲ 163%**](https://www.amazon.com/dp/B0F291214Y)

**~~View all trending →~~**

## **What buyers say about window grid kit**

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

### **What buyers love **

**Quality-Overall**15%

*“Good quality, easy installation, matches my windows, affordable replacement & on time delivery”*

**Ease Of Use**15%

*“Ease of use”*

**Size-Overall**14%

*“fit well”*

**Assembly/Installation**12%

*“Easy to install”*

**Adhesion/Stickiness**9%

*“The adhesive has held up well so far”*

**Design-Overall**7%

*“decorative look without spending a lot of money”*

**Advertised Vs Actual Product**6%

*“True to description”*

**Value For Money**3%

*“Worth it and easy”*

**Durability**3%

*“are a durable”*

**Strength**2%

*“Sturdy”*

### **What buyers complain about **

**Adhesion/Stickiness**29%

*“Will not stick”*

**Functionality-Overall**9%

*“didn't work for me”*

**Assembly/Installation**9%

*“* Installation requires some measuring and planning”*

**Ease Of Cleaning**6%

*“It took forever to get it straight and cleaning the windows made it all loosen and fall off”*

**Advertised Vs Actual Product**4%

*“They were nothing of what they said they were going to be a very misleading product”*

**Precision Of Cut**4%

*“I used the product for garage windows and measuring and cutting was also a challenge”*

**Quality-Overall**4%

*“Cheap junk”*

**Thickness**4%

*“It is basically just thick white tape”*

**Flatness**2%

*“It's really hard to get these perfectly straight”*

**Durability**2%

*“And after just 12 hours, they are literally peeling up and off”*

### **Top return reasons **

**Size-Overall**20%

**Adhesion/Stickiness**17%

**Advertised Vs Actual Product**9%

**Thickness**7%

**Material Quality**6%

**Compatibility-Overall**5%

**Functionality-Overall**5%

**Defective Material/Parts**5%

**Color**4%

**Quality-Overall**4%

## **Common questions**

<dl>

<dt>**Is window grid kit profitable to sell on Amazon United States?**</dt><dd>The niche generates $87K/yr across 23 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +27.4%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the window grid kit niche?**</dt><dd>16 brands and 17 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 80% of demand.</dd>

<dt>**What do buyers complain about in window grid kit?**</dt><dd>Top complaints mined from reviews: Adhesion/Stickiness, Functionality-Overall, Assembly/Installation. The return rate is 6.7% — above our launch gate.</dd>

<dt>**When does demand for window grid kit peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the window grid kit niche?**</dt><dd>Listings span $7.85–$113.96; the average listing price is $31.76 (sweet spot $15–$100). The average incumbent carries 281 reviews — the moat a new listing must climb.</dd>

</dl>

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