---
title: "Products — pen needles 31g 6mm - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/pen-needles-31g-6mm/products"
last_updated: "2026-08-11T23:03:21.233Z"
locale: en
meta:
  description: "Niche score 61/100 · $33K/yr market · 15K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · $33K/yr market · 15K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — pen needles 31g 6mm - Flapen"
---

# **pen needles 31g 6mm**

**Worth a look**

Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 8Growth 74Conversion 96Competition 68Returns 99Price range 81Avg price 76Brand share 56Review moat 64Quality gap 22

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****14.2%**

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

**Price range**

**Great****$8.60–$45.39**

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

**Avg price**

**Great****$15.55**

avg listing price — sweet spot $15–$100

**Growth**

**Good****+58.3%**

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

**Competition**

**Good****44%**

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

**Review moat**

**Good****929.29**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****71%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$33K**

$33K/yr · 15K searches

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

## Products