---
title: "Reviews — black glasses - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/black-glasses/reviews"
last_updated: "2026-08-10T08:14:45.774Z"
locale: en
meta:
  description: "Niche score 57/100 · $1.8M/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 57/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — black glasses - Flapen"
---

# **black glasses**

**Worth a look**

Shows a $1.8M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 91Growth 18Conversion 48Competition 78Returns 41Price range 20Avg price 90Brand share 80Review moat 23Quality gap 55

**Market size**

**Great****$1.8M**

$1.8M/yr · 778K searches

**Avg price**

**Great****$58.92**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****55%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.8%**

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

**Returns**

**Okay****3.7%**

return rate — above 5% kills the launch gate

**Review moat**

**Bad****7,101.42**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Bad****$5.03–$434.45**

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

**Growth**

**Bad****-13.7%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Reviews