---
title: "Reviews — mermaid tail - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/mermaid-tail/reviews"
last_updated: "2026-07-31T21:44:27.434Z"
locale: en
meta:
  description: "Niche score 58/100 · £42K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · £42K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — mermaid tail - Flapen"
---

# **mermaid tail**

**Worth a look**

Shows a fragmented shelf (top 5 take 27% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 11Growth 64Conversion 12Competition 88Returns 73Price range 84Avg price 82Brand share 56Review moat 86Quality gap 65

**Competition**

**Great****27%**

top-5 click share — an open shelf

**Review moat**

**Great****279.06**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****£5.99–£72.94**

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

**Avg price**

**Great****£17.78**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+42.5%**

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

**Brand share**

**Good****71%**

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

**Conversion**

**Bad****1.0%**

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

**Market size**

**Bad****£42K**

£42K/yr · 244K searches

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")