---
title: "Trend — 4 oz glass jars with lids - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/4-oz-glass-jars-with-lids/trend"
last_updated: "2026-08-09T16:20:24.289Z"
locale: en
meta:
  description: "Niche score 64/100 · $1.2M/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 64/100 · $1.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
  "og:title": "Trend — 4 oz glass jars with lids - Flapen"
---

# **4 oz glass jars with lids**

**Worth a look**

Shows no brand lock-in (top 5 brands take 29% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 82Growth 22Conversion 57Competition 92Returns 70Price range 68Avg price 84Brand share 96Review moat 49Quality gap 21

**Brand share**

**Incredible****29%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****23%**

top-5 click share — an open shelf

**Avg price**

**Great****$18.64**

avg listing price — sweet spot $15–$100

**Market size**

**Great****$1.2M**

$1.2M/yr · 1.4M searches

**Returns**

**Good****2.2%**

return rate — above 5% kills the launch gate

**Price range**

**Good****$5.03–$36.20**

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

**Conversion**

**Good****4.8%**

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

**Review moat**

**Okay****1,626.83**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-7.0%**

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

**Quality gap**

**Bad****4.7★**

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%")

## Trend