---
title: "Reviews — mason jars 12 oz - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/mason-jars-12-oz/reviews"
last_updated: "2026-08-11T02:08:38.571Z"
locale: en
meta:
  description: "Niche score 59/100 · $277K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
  "og:description": "Niche score 59/100 · $277K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
  "og:title": "Reviews — mason jars 12 oz - Flapen"
---

# **mason jars 12 oz**

**Worth a look**

Shows a sweet-spot price point ($22.18 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 50Growth 36Conversion 59Competition 76Returns 80Price range 70Avg price 93Brand share 85Review moat 40Quality gap 25

**Avg price**

**Great****$22.18**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****50%**

top-5 brand share — no brand owns this niche

**Returns**

**Great****1.8%**

return rate — above 5% kills the launch gate

**Competition**

**Great****39%**

top-5 click share — an open shelf

**Price range**

**Good****$8.98–$29.36**

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

**Conversion**

**Good****5.1%**

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

**Market size**

**Good****$277K**

$277K/yr · 246K searches

**Review moat**

**Okay****2,505.43**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+8.7%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

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

## Reviews