---
title: "window markers — Niche Verdict: Launch it (68/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/arts-crafts-sewing/window-markers"
last_updated: "2026-07-13T23:56:24.458Z"
locale: en
meta:
  description: "window markers clears our launch bar: a $1.3M/yr market growing +132.8% this quarter with returns at 1.6%."
  "og:description": "window markers clears our launch bar: a $1.3M/yr market growing +132.8% this quarter with returns at 1.6%."
  "og:title": "window markers — Niche Verdict: Launch it (68/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **window markers**

**Launch it**

A $1.3M/yr market growing +132.8% this quarter with returns at 1.6% — clears our launch bar.

Market size 83Growth 96Conversion 87Competition 43Returns 83Price range 53Avg price 64Brand share 58Review moat 25Quality gap 47

**Growth**

**Incredible****+132.8%**

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

**Conversion**

**Great****10.1%**

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

**Market size**

**Great****$1.3M**

$1.3M/yr · 936K searches

**Returns**

**Great****1.6%**

return rate — above 6% kills the launch gate

**Avg price**

**Good****$13.73**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****70%**

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

**Price range**

**Good****$4.26–$26.90**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****59%**

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

**Review moat**

**Bad****4,456.96**

avg incumbent reviews — the moat a new listing must climb

## **Competition**

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**19 **▲rising

**Sellers**

**37**

**Top-5 brand share**

**70%**

**Open market**

**25%**

- Celepen26% - SRUOLOC16% - CHALKY CROWN13% - Bandle B.9% - GOTIDEAL5% - ALEMHOP5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$52K8%$104K12%$155K16%$207K101001K10K100K 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![Celepen Window Chalk Markers for Cars Glass Washable 8 Colors Jumbo Liquid Chalk Marker Pens with 10mm 3 in 1 Nib Wide Tip Chalkboard Markers Car Window Paint Pen for Auto Mirror Poster](https://m.media-amazon.com/images/I/51GHRtU9a7L.jpg)**Celepen Window Chalk Markers for Cars Glass Washable 8 Colors Jumbo Liquid Chalk Marker Pens with 10mm 3 in 1 Nib Wide Tip Chalkboard Markers Car Window Paint Pen for Auto Mirror Poster**Celepen**$13.32**4.6★1,086 rev](https://www.amazon.com/dp/B0CT91YRWK) [2![Window Chalk Markers for Glass Washable 10 Colors Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen for Auto Bistro Mirror Poster Blackboards](https://m.media-amazon.com/images/I/51rjEL8c+XL.jpg)**Window Chalk Markers for Glass Washable 10 Colors Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen for Auto Bistro Mirror Poster Blackboards**SRUOLOC**$15.31**4.5★1,147 rev](https://www.amazon.com/dp/B0D7Q45XTP) [3![Bold Chalk Markers - Dry Erase Marker Pens - Liquid Chalk Markers for Chalkboards Signs Windows Blackboard Glass Mirrors - Chalkboard Marker with Reversible Tip (8 Pack) - (Multicolored 6mm)](https://m.media-amazon.com/images/I/51V0zqtFdkL.jpg)**Bold Chalk Markers - Dry Erase Marker Pens - Liquid Chalk Markers for Chalkboards Signs Windows Blackboard Glass Mirrors - Chalkboard Marker with Reversible Tip (8 Pack) - (Multicolored 6mm)**CHALKY CROWN**$7.61**4.5★36,059 rev](https://www.amazon.com/dp/B07Q4K1HRJ) [4![Bandle B. Chalk Markers - 8 Vibrant Erasable Non-Toxic Water-Based Reversible Tips. For Glass or Chalkboard Markers for Businesses Restaurants Liquid Drawing Chalk (Vibrant 6mm)](https://m.media-amazon.com/images/I/51nWEC1fCRL.jpg)**Bandle B. Chalk Markers - 8 Vibrant Erasable Non-Toxic Water-Based Reversible Tips. For Glass or Chalkboard Markers for Businesses Restaurants Liquid Drawing Chalk (Vibrant 6mm)**Bandle B.**$7.16**4.5★27,492 rev](https://www.amazon.com/dp/B07QF31BNY) [5![Window Chalk Markers for Cars Glass Washable 10 Colors Jumbo Liquid Chalk Marker Pens with 10mm 3 in 1 Nib Wide Tips Big Chalkboard Markers Car Window Paint Pens for Auto Bistro Mirror Poster](https://m.media-amazon.com/images/I/51BUwCQVgdL.jpg)**Window Chalk Markers for Cars Glass Washable 10 Colors Jumbo Liquid Chalk Marker Pens with 10mm 3 in 1 Nib Wide Tips Big Chalkboard Markers Car Window Paint Pens for Auto Bistro Mirror Poster**Celepen**$15.70**4.4★256 rev](https://www.amazon.com/dp/B0F2TNM2XJ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Luvano Window Chalk Markers for Glass Washable 8mm 3-in-1 Jumbo Liquid Chalk Marker Thick Nib Erasable Car Paint Pens for Auto Window Mirror LED Board Bistro & Poster Art - 8 Colors](https://m.media-amazon.com/images/I/51+vlmNUSWL.jpg)**Luvano Window Chalk Markers for Glass Washable 8mm 3-in-1 Jumbo Liquid Chalk Marker Thick Nib Erasable Car Paint Pens for Auto Window Mirror LED Board Bistro & Poster Art - 8 Colors**Luvano**$7.20**31 rev1mo ago](https://www.amazon.com/dp/B0GD7XP3X3) [![AYSIP Window Chalk Markers for Blackboard10 Colors Washable Glass Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen Auto Mirror Bistro Poster](https://m.media-amazon.com/images/I/51JZ6tMdxzL.jpg)**AYSIP Window Chalk Markers for Blackboard10 Colors Washable Glass Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen Auto Mirror Bistro Poster**AYSIP**$13.64**39 rev2mo ago](https://www.amazon.com/dp/B0GT68BBPL) [![GOTIDEAL 10mm Window Markers Chalk Markers for Blackboard Washable Car Marker for Chalkboard Glass Mirror Jumbo Thick Tip Window paint markers Erasable for Wedding Married Painting Menus(8 Colors](https://m.media-amazon.com/images/I/51uFqbwUhJL.jpg)**GOTIDEAL 10mm Window Markers Chalk Markers for Blackboard Washable Car Marker for Chalkboard Glass Mirror Jumbo Thick Tip Window paint markers Erasable for Wedding Married Painting Menus(8 Colors**GOTIDEAL**$13.43**54 rev5mo ago](https://www.amazon.com/dp/B0GJCWWTDJ) [![OLINGYOU Window Chalk Markers for Cars Glass Washable 8 Colors Liquid Chalk Marker Pens with 7mm 2 in 1 Nib Wide Tips Big Chalkboard Markers Car Window pens](https://m.media-amazon.com/images/I/51PXPbnSdsL.jpg)**OLINGYOU Window Chalk Markers for Cars Glass Washable 8 Colors Liquid Chalk Marker Pens with 7mm 2 in 1 Nib Wide Tips Big Chalkboard Markers Car Window pens**OLINGYOU**$9.12**152 rev10mo ago](https://www.amazon.com/dp/B0FH1BLBB3) [![Window Chalk Markers for Glass Washable 8 Colors Jumbo Liquid Chalk Marker Thick with 7mm 3 in 1 Nib Wide Tip Big Chalkboard Markers Car Paint Pen for Acrylic Board LED Board Auto Mirror Poster](https://m.media-amazon.com/images/I/51Tgjj-80WL.jpg)**Window Chalk Markers for Glass Washable 8 Colors Jumbo Liquid Chalk Marker Thick with 7mm 3 in 1 Nib Wide Tip Big Chalkboard Markers Car Paint Pen for Acrylic Board LED Board Auto Mirror Poster**ALEMHOP**$7.16**990 rev11mo ago](https://www.amazon.com/dp/B0F91S86YZ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Luvano Window Chalk Markers for Glass Washable 8mm 3-in-1 Jumbo Liquid Chalk Marker Thick Nib Erasable Car Paint Pens for Auto Window Mirror LED Board Bistro & Poster Art - 8 Colors](https://m.media-amazon.com/images/I/51+vlmNUSWL.jpg)**Luvano Window Chalk Markers for Glass Washable 8mm 3-in-1 Jumbo Liquid Chalk Marker Thick Nib Erasable Car Paint Pens for Auto Window Mirror LED Board Bistro & Poster Art - 8 Colors**Luvano**$7.20**4.4★**▲ 176%**](https://www.amazon.com/dp/B0GD7XP3X3) [![GOTIDEAL 10mm Window Markers Chalk Markers for Blackboard Washable Car Marker for Chalkboard Glass Mirror Jumbo Thick Tip Window paint markers Erasable for Wedding Married Painting Menus(8 Colors](https://m.media-amazon.com/images/I/51uFqbwUhJL.jpg)**GOTIDEAL 10mm Window Markers Chalk Markers for Blackboard Washable Car Marker for Chalkboard Glass Mirror Jumbo Thick Tip Window paint markers Erasable for Wedding Married Painting Menus(8 Colors**GOTIDEAL**$13.43**4.7★**▲ 173%**](https://www.amazon.com/dp/B0GJCWWTDJ) [![AYSIP Window Chalk Markers for Blackboard10 Colors Washable Glass Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen Auto Mirror Bistro Poster](https://m.media-amazon.com/images/I/51JZ6tMdxzL.jpg)**AYSIP Window Chalk Markers for Blackboard10 Colors Washable Glass Jumbo Liquid Chalk Marker with 10mm 3 in 1 Nib Thick Wide Tips Big Chalkboard Markers Car Paint Pen Auto Mirror Bistro Poster**AYSIP**$13.64**4.4★**▲ 173%**](https://www.amazon.com/dp/B0GT68BBPL) [![Mr. Pen- Liquid Chalk Markers 6 Pack Reversible Tip Vibrant Colors](https://m.media-amazon.com/images/I/51lkHPq6jOL.jpg)**Mr. Pen- Liquid Chalk Markers 6 Pack Reversible Tip Vibrant Colors**Mr. Pen**$5.14**4.5★**▲ 146%**](https://www.amazon.com/dp/B08BJD86ZD) [![Reaeon Jumbo Liquid Chalk Markers for Blackboards Bold Color Erasable Chalk Pens with 10mm 3 in 1 Nib Washable Dust-Free Pens for Glass Signs Windows Cars Chalkboard (8-Pack)](https://m.media-amazon.com/images/I/51-CLq9QhUL.jpg)**Reaeon Jumbo Liquid Chalk Markers for Blackboards Bold Color Erasable Chalk Pens with 10mm 3 in 1 Nib Washable Dust-Free Pens for Glass Signs Windows Cars Chalkboard (8-Pack)**Reaeon**$10.26**4.5★**▲ 131%**](https://www.amazon.com/dp/B0FGJNLRGK)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +132.8% search growth over the last 90 days.

40K30KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Aug, Nov · busiest ÷ quietest = 3.9×

## **Reviews**

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

### **What buyers love **

**Color**28%

*“Bright Colors”*

**Quality-Overall**9%

*“Great Variety”*

**Ease Of Use**7%

*“Easy to Use”*

**Ease Of Cleaning**7%

*“Easy to clean off”*

**Pen/Pencil Quality**5%

*“Good set of markers”*

**Writing Experience**4%

*“Smooth writing”*

**Value For Money**4%

*“Great deal”*

**Brightness/Shine/Glow**3%

*“Appearance very bright”*

**Efficiency**3%

*“Worked great on the window for our retail”*

**Advertised Vs Actual Product**3%

*“Better than expected”*

### **What buyers complain about **

**Color**12%

*“very dull color”*

**Functionality-Overall**8%

*“Does not work well at all”*

**Quality-Overall**7%

*“Inconsistent Quality”*

**Leak-Proof**5%

*“leaked everywhere all the time”*

**Ease Of Use**4%

*“Impossible to use”*

**Durability**4%

*“ran out quickly”*

**Value For Money**3%

*“Not worth the money IMO”*

**Dry/Empty Ink**3%

*“Dried out”*

**Drying Time**3%

*“the drying time is awful”*

**Nib/Tip Quality**3%

*“Swapping the tip isnt ideal”*

### **Top return reasons **

**Functionality-Overall**15%

**Value For Money**9%

**Color**8%

**Size-Overall**8%

**Ink Refill**8%

**Leak-Proof**6%

**Advertised Vs Actual Product**6%

**Dry/Empty Ink**5%

**Writing Experience**4%

**Display Colors**3%