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Window Pens

Fail

Demand is soft, at -12.3% this quarter, so Window Pens is a Fail.

Flapen Score
45
45 / 100
Ranks 455 of 835 Stationery & Office Supplies niches · −2 vs the category median of 47
Market size
£101K/yr158K searches / yr
90-day growth
-12.3%search demand this quarter
Competition
58%top-5 click share · 17 brands · 22 sellers

Flapen Score

Window Pens against its category

The dotted line is the Stationery & Office Supplies average. Past it, Window Pens is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Window Pens market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Window Pens 158K times last year and spent an estimated £101K. The top 5 brands take 71% of clicks. Demand peaks in Oct–Nov–Dec. Flapen scores it 45 out of 100, a Fail.

01 · Demand

7.8% of searches ended in a purchase last week.

Shoppers searched for this 158K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 7.8% of those searches ended in a purchase. Searches in the last 90 days moved -12.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £101K a year.

Searches, last 12 months
158K
Growth, 90 days vs prior 90
-12.3%
Conversion, latest week
7.8%
Market size, estimated
£101Ka year
Peak month
November14.7× the quietest month
Top search term
window pens37K searches a year

02 · Price

A sale here is worth £8.23.

Listings sell for £8.23 on average, from £3.38 to £19.61. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 250 to 500 of them. At £8.23 that is £2K to £4K a year per listing.

Average price
£8.23under the $15 to $100 sweet spot
Price range
£3.38–£19.61
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
13K–15K
Units per listing a year
250–500
Revenue per listing a year
£2K–£4K
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

96% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 8.7% of listings are out of stock. The average listing ranks #71 within Pens, Pencils & Writing Supplies. It carries 7,112 reviews at 4.47 stars, so a new listing needs social proof before a better product.

Sponsored listings
96%
Prime listings
96%
Out of stock, average day
8.7%
Average rank
#71in Pens, Pencils & Writing Supplies
Average rating
4.47 starsAmazon United Kingdom average 4.36 stars
Average reviews
7,112per listing
Listings tracked
24

04 · Newcomers

Amazon counts 2 of last year's 3 launches as successful.

3 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 44 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
2Amazon's first-year sales bar
Average brand age
44 months

Products

Top Window Pens products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 58% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£10K£15K£20K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

22

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

58%

Top 20: 97%

Open market

23%

  • VILMA18%
  • STATIONERY ISLAND17%
  • Thboxes13%
  • Chalkola13%
  • Chalky Crown12%
  • WINSONS6%

Demand

Window Pens search demand

Weekly searches over the year, seasonality beneath. Pick a range.

18K13KSpike '24Black Friday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 14.7×

Search terms

Top Window Pens search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • window pens37K/yr
  • glass markers8K/yr
  • chalk pens for windows and glass22K/yr
  • mirror pens5K/yr
  • window pens for glass washable27K/yr
  • window markers10K/yr
  • glass pens wipeable5K/yr
  • glass marker pens3K/yr
  • window markers for glass washable6K/yr
  • window paint pens10K/yr

Reviews and returns

What reviews say buyers love and hate about Window Pens

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall10%−0.08

Takes time to get them working

Dont work

None of the pens work

Color9%+0.70

Lack of colour

Not the same colours

Colours Not as Shown

Drying Time6%−0.06

Dry out too quickly

Take an age to dry

the drying time is long

Leak-Proof5%

leak

Too watery and a bit leaking, dry at normal speed

1 of the pens was leaking

Quality-Overall5%+0.49

Cheap

Complete rubbish

Not very good quality

Love

Color23%+0.70

The colours are vibrant

Lovely colours

Great colours

Quality-Overall16%+0.49

These are excellent pens

Excellent product

Excellent high quality pens

Value For Money10%+0.61

Good value

Well worth it

Excellent value for money

Ease Of Use8%+0.87

are easy to handle

Easy to use

easy to apply

Advertised Vs Actual Product6%+0.43

They did the job

Did the job

As described

Return

0.4% Return rate 29% Fixable by listing

Functionality-Overall23%█▅▆▄▅▅

Takes time to get them working

Dont work

None of the pens work

Color11%▆▅▇▄██

Lack of colour

Not the same colours

Colours Not as Shown

Quality-Overall6%▁▃▇▁█▇

Cheap

Complete rubbish

Not very good quality

Size-Overall5%▁▇▁██▇
Writing Experience5%▁▄▆▅█▃

FAQ

Common Window Pens questions

Answered from the same tracked data.