---
title: "Mason Jars 8 Oz — $1.6M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/mason-jars-8-oz"
last_updated: "2026-08-10T23:38:44.668Z"
locale: en
meta:
description: "Niche score 64/100 · $1.6M/yr market · 1.4M searches/yr · $20.37 avg price. Clears our launch bar. Data updated Aug 2026."
"og:description": "Niche score 64/100 · $1.6M/yr market · 1.4M searches/yr · $20.37 avg price. Clears our launch bar. Data updated Aug 2026."
"og:title": "Mason Jars 8 Oz — $1.6M/yr Amazon US Niche (2026) - Flapen"
---
# **mason jars 8 oz**
**Launch it**
A $1.6M/yr market growing +8.7% this quarter with returns at 2.1% — clears our launch bar.
Market size 89Growth 36Conversion 65Competition 76Returns 73Price range 79Avg price 88Brand share 76Review moat 32Quality gap 21
**Market size**
**Great****$1.6M**
$1.6M/yr · 1.4M searches
**Avg price**
**Great****$20.37**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.69–$43.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+8.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****3,278.72**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, mason jars 8 oz is a $1.6M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Aug. Verdict: Launch it — 64/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mason jars 8 oz market data**
- **Units sold / yr**
- **60K–80K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$1.2M–$1.6M**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#105**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **88%**
- **Out of stock**
- **2.5%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**28 **▼falling
**Sellers**
**58**
**Top-5 brand share**
**59%**
Top 20: 92%
**Top-5 click share**
**39%**
Top 20: 74%
**Open market**
**37%**
- Ball25% - ComSaf14% - Peokuaey10% - CycleMore5% - NETANY5% - Mcupper4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.7% search growth over the last 90 days.
40K30KBlack Friday '24Holiday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/mason-jars-8-oz/trend)
## **Top mason jars 8 oz search terms**
- **mini mason jars**174K/yr+12.1%2.6% conv. - **mason jars 8 oz**198K/yr-5.6%4.4% conv. - **8 oz glass jars with lids**162K/yr-7.5%2.5% conv. - **8oz glass jars with lids**118K/yr-12.8%2.1% conv. - **8 oz mason jars**75K/yr+20.0%4.3% conv. - **mini mason jars with lids**81K/yr+2.9%2.7% conv. - **4 oz mason jars**57K/yr+24.7%3.8% conv. - **jelly jars for canning**40K/yr+124.3%4.2% conv. - **canning jars 8 oz**53K/yr+81.7%4.8% conv. - **8oz mason jars**43K/yr+22.8%4.2% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/mason-jars-8-oz/search-terms)
## **Top mason jars 8 oz products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$66K8%$131K12%$197K16%$262K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Ball Jar Quilted Crystal Jelly (Case of 12) 8 oz**Ball**$12.01**4.9★1,473 rev](https://www.amazon.com/dp/B01LYV6CWZ) [2**ComSaf Mini Mason Jars 4 oz 8 Pack Regular Mouth Glass Jars with Lids**ComSaf**$11.93**4.7★4,848 rev](https://www.amazon.com/dp/B09YRC9SXW) [3**8 oz Mason Jars with Airtight Silver Lids - 4 Pack Small Glass Jars - Thickened Wide Mouth Canning Jars for Spell Jars Candle Making Premium Spices & Bathroom Vanity Decor**Peokuaey**$9.77**4.7★393 rev](https://www.amazon.com/dp/B0FRLDLPSN) [4**CycleMore 40 Pcs 4oz Crystal Mini Mason Jars Silver Separable Lids**CycleMore**$29.02**4.7★1,506 rev](https://www.amazon.com/dp/B0932Z3PLN) [5**ComSaf 8 oz Mason Jars 6 Pack Small Regular Mouth Glass Jars with Lids**ComSaf**$13.46**4.7★4,848 rev](https://www.amazon.com/dp/B0D7ZFXP4N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**8 Pack Small Glass Jars with Lids - 4oz Vintage Embossed Mini Mason Jars Regular Mouth Mason Canning Jar with Seal Bands for Jam Honey Jelly Dessert Spice Wedding Favors DIY Candles Decor**NETANY**$12.74**93 rev5mo ago](https://www.amazon.com/dp/B0GPWLBCMN) [**Peokuaey 4 oz Glass Jars with Lids 6 Pack Small Mason Jars with Gift Bags & Tags Rustproof Airtight Mini Glass Jars Straight Sided Jelly Jars for Baby Food Spice Jam Candle Making & Favors**Peokuaey**$9.93**393 rev5mo ago](https://www.amazon.com/dp/B0GFVLRW3Z) [**PureRoot 4 oz Small Mason Jars Mini Glass Jars with Lids 4 Pack**PureRoot**$7.69**69 rev7mo ago](https://www.amazon.com/dp/B0GD14SBPK) [**Mcupper 8oz Mason Jars with Silver Lids and Bands 12 Pack**Mcupper**$17.74**298 rev8mo ago](https://www.amazon.com/dp/B0G2LDY3Q7) [**Tecohouse Mini Mason Jars 4 oz 4 Pack Small Glass Jars with Lids**Tecohouse**$8.71**118 rev10mo ago](https://www.amazon.com/dp/B0FT7JJL1L)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**8 Pack Small Glass Jars with Lids - 4oz Vintage Embossed Mini Mason Jars Regular Mouth Mason Canning Jar with Seal Bands for Jam Honey Jelly Dessert Spice Wedding Favors DIY Candles Decor**NETANY**$12.74**4.8★**▲ 295%**](https://www.amazon.com/dp/B0GPWLBCMN) [**Peokuaey 4 oz Glass Jars with Lids 6 Pack Small Mason Jars with Gift Bags & Tags Rustproof Airtight Mini Glass Jars Straight Sided Jelly Jars for Baby Food Spice Jam Candle Making & Favors**Peokuaey**$9.93**4.7★**▲ 240%**](https://www.amazon.com/dp/B0GFVLRW3Z) [**PureRoot 4 oz Small Mason Jars Mini Glass Jars with Lids 4 Pack**PureRoot**$7.69**4.8★**▲ 187%**](https://www.amazon.com/dp/B0GD14SBPK) [**Ball Jar Quilted Crystal Jelly (Case of 12) 8 oz**Ball**$12.01**4.9★**▲ 154%**](https://www.amazon.com/dp/B01LYV6CWZ) [**Mcupper 8oz Mason Jars with Silver Lids and Bands 12 Pack**Mcupper**$17.74**4.7★**▲ 101%**](https://www.amazon.com/dp/B0G2LDY3Q7)
**~~View all trending →~~**
## **What buyers say about mason jars 8 oz**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“The size is convenient”*
**Quality-Overall**17%
*“Decent quality”*
**Value For Money**10%
*“fair price”*
**Advertised Vs Actual Product**8%
*“Just as pictured”*
**Gifting Purpose**7%
*“cute for gift giving”*
**Storage Capacity**4%
*“Easy to store”*
**Ease Of Cleaning**3%
*“clean up quickly”*
**Leak-Proof**3%
*“Doesnt leak”*
**Design-Overall**3%
*“The design gives a great appearance”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Size-Overall**21%
*“Don't fit”*
**Rusts/Corrodes**12%
*“Rusted”*
**Value For Money**8%
*“They are cheaper here”*
**Advertised Vs Actual Product**5%
*“I wish the description was less confusing”*
**Ease Of Use**4%
*“I can not use them”*
**Ease Of Cleaning**4%
*“the sponge cleaner fell apart”*
**Thickness**3%
*“the glass is just a little less thick”*
**Durability**3%
*“Breakable”*
**Leak-Proof**3%
*“Not leak proof”*
**Quality-Overall**2%
*“Very poor quality jars”*
### **Top return reasons **
**Size-Overall**78%
**Value For Money**6%
**Advertised Vs Actual Product**6%
**Functionality-Overall**2%
**Microwave Safe**2%
**Quality-Overall**1%
**Rusts/Corrodes**1%
**Material Quality**0%
**Safety Standards**0%
**Design-Overall**0%
## **Common questions**
- **Is mason jars 8 oz profitable to sell on Amazon United States?**
- The niche generates $1.6M/yr across 43 tracked products. 12 of 14 products launched in the last 360 days are still selling. 90-day search growth is +8.7%. Flapen's verdict: Launch it (64/100).
- **How competitive is the mason jars 8 oz niche?**
- 28 brands and 58 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in mason jars 8 oz?**
- Top complaints mined from reviews: Size-Overall, Rusts/Corrodes, Value For Money. The return rate is 2.1%.
- **When does demand for mason jars 8 oz peak?**
- Demand peaks in Aug; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the mason jars 8 oz niche?**
- Listings span $7.69–$43.42; the average listing price is $20.37 (sweet spot $15–$100). The average incumbent carries 3,279 reviews — the moat a new listing must climb.
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