---
title: "Products — window pens - Flapen"
canonical_url: "https://flapen.com/research/uk/stationery-office-supplies/window-pens/products"
last_updated: "2026-07-31T16:52:05.377Z"
locale: en
meta:
  description: "Niche score 45/100 · £101K/yr market · 158K searches/yr · £8.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · £101K/yr market · 158K searches/yr · £8.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — window pens - Flapen"
---

# **window pens**

**Skip it**

Soft demand (-12.3% this quarter) — this niche doesn't clear our bar today.

Market size 25Growth 19Conversion 78Competition 45Returns 98Price range 28Avg price 23Brand share 56Review moat 23Quality gap 47

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****7.8%**

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

**Brand share**

**Good****71%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****58%**

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

**Price range**

**Okay****£3.38–£19.61**

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

**Market size**

**Okay****£101K**

£101K/yr · 158K searches

**Review moat**

**Bad****7,112.33**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Bad****£8.23**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-12.3%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")