---
title: "Reviews — 40th birthday napkins - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/40th-birthday-napkins/reviews"
last_updated: "2026-08-09T05:33:05.536Z"
locale: en
meta:
  description: "Niche score 51/100 · $39K/yr market · 64K searches/yr · $10.38 avg price. A small market ($39K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $39K/yr market · 64K searches/yr · $10.38 avg price. A small market ($39K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — 40th birthday napkins - Flapen"
---

# **40th birthday napkins**

**Worth a look**

Shows no brand lock-in (top 5 brands take 39% of clicks), but a small market ($39K/yr) keeps it on the watch list.

Market size 10Growth 25Conversion 66Competition 92Returns 48Price range 63Avg price 37Brand share 95Review moat 87Quality gap 19

**Brand share**

**Incredible****39%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****23%**

top-5 click share — an open shelf

**Review moat**

**Great****261.11**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****5.9%**

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

**Price range**

**Good****$5.13–$31.92**

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

**Returns**

**Okay****3.2%**

return rate — above 5% kills the launch gate

**Avg price**

**Okay****$10.38**

avg listing price — sweet spot $15–$100

**Growth**

**Okay****+0.2%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$39K**

$39K/yr · 64K searches

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

## Reviews