mason jars 8 oz
Launch itA $1.6M/yr market growing +8.7% this quarter with returns at 2.1% — clears our launch bar.
Market size
Great$1.6M$1.6M/yr · 1.4M searches
Avg price
Great$20.37avg listing price — sweet spot $15–$100
Price range
Great$7.69–$43.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great39%top-5 click share — an open shelf
Brand share
Great59%top-5 brand share — no brand owns this niche
Returns
Good2.1%return rate — above 5% kills the launch gate
Conversion
Good5.9%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
Okay3,278.72avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★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
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.Peak months: Aug · busiest ÷ quietest = 1.8×
Top mason jars 8 oz search terms
- mini mason jars174K/yr
- mason jars 8 oz198K/yr
- 8 oz glass jars with lids162K/yr
- 8oz glass jars with lids118K/yr
- 8 oz mason jars75K/yr
- mini mason jars with lids81K/yr
- 4 oz mason jars57K/yr
- jelly jars for canning40K/yr
- canning jars 8 oz53K/yr
- 8oz mason jars43K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ball Jar Quilted Crystal Jelly (Case of 12) 8 oz
Ball$12.014.9★1,473 rev
ComSaf Mini Mason Jars 4 oz 8 Pack Regular Mouth Glass Jars with Lids
ComSaf$11.934.7★4,848 rev
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$9.774.7★393 rev
CycleMore 40 Pcs 4oz Crystal Mini Mason Jars Silver Separable Lids
CycleMore$29.024.7★1,506 rev
ComSaf 8 oz Mason Jars 6 Pack Small Regular Mouth Glass Jars with Lids
ComSaf$13.464.7★4,848 rev
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$12.7493 rev
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$9.93393 rev
PureRoot 4 oz Small Mason Jars Mini Glass Jars with Lids 4 Pack
PureRoot$7.6969 rev
Mcupper 8oz Mason Jars with Silver Lids and Bands 12 Pack
Mcupper$17.74298 rev
Tecohouse Mini Mason Jars 4 oz 4 Pack Small Glass Jars with Lids
Tecohouse$8.71118 rev
Trending
90-day click momentum8 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$12.744.8★
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$9.934.7★
PureRoot 4 oz Small Mason Jars Mini Glass Jars with Lids 4 Pack
PureRoot$7.694.8★
Ball Jar Quilted Crystal Jelly (Case of 12) 8 oz
Ball$12.014.9★
Mcupper 8oz Mason Jars with Silver Lids and Bands 12 Pack
Mcupper$17.744.7★
What buyers say about mason jars 8 oz
What buyers praise and complain about, mined from review topics.What buyers love
“The size is convenient”
“Decent quality”
“fair price”
“Just as pictured”
“cute for gift giving”
“Easy to store”
“clean up quickly”
“Doesnt leak”
“The design gives a great appearance”
“Easy to use”
What buyers complain about
“Don't fit”
“Rusted”
“They are cheaper here”
“I wish the description was less confusing”
“I can not use them”
“the sponge cleaner fell apart”
“the glass is just a little less thick”
“Breakable”
“Not leak proof”
“Very poor quality jars”
Top return reasons
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.