4 oz glass jars with lids
Worth a lookShows 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.
Brand share
Incredible29%top-5 brand share — no brand owns this niche
Competition
Great23%top-5 click share — an open shelf
Avg price
Great$18.64avg listing price — sweet spot $15–$100
Market size
Great$1.2M$1.2M/yr · 1.4M searches
Returns
Good2.2%return rate — above 5% kills the launch gate
Price range
Good$5.03–$36.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,626.83avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 4 oz glass jars with lids is a $1.2M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 29% of demand. Demand peaks in May–Dec. Verdict: Worth a look — 64/100.
Data updated Aug 5, 2026 · scored weekly · How we score niches
4 oz glass jars with lids market data
- Units sold / yr
- 60K–80K
- avg 750–1,000/product
- Revenue / yr
- $1.1M–$1.5M
- units × avg price
- Conversion rate
- 4.8%
- Avg BSR
- #94
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 87%
- Out of stock
- 0.3%
- Avg brand age
- 39 months
- Avg seller age
- 173 days
Competition & brand share
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.Brands
58 rising
Sellers
79
Top-5 brand share
29%
Top 20: 70%
Top-5 click share
23%
Top 20: 52%
Open market
66%
- ComSaf9%
- MaxMau6%
- AOZITA5%
- Bumobum4%
- Accguan4%
- PureRoot4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.0% search growth over the last 90 days.Peak months: May, Dec · busiest ÷ quietest = 1.8×
Top 4 oz glass jars with lids search terms
- 4 oz glass jars with lids217K/yr
- 4oz glass jars with lids177K/yr
- mini jars116K/yr
- 2 oz glass jars with lids127K/yr
- 2oz glass jars with lids117K/yr
- mini glass jars80K/yr
- mini jars with lids80K/yr
- small glass bottles with lids59K/yr
- tiny glass jars35K/yr
- tiny jars34K/yr
Top 4 oz glass jars with lids 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
ComSaf Mini Mason Jars 4 oz 8 Pack Regular Mouth Glass Jars with Lids
ComSaf$11.934.7★4,848 rev
AOZITA 12 Pack 2 oz Small Clear Glass Bottles w/Lid & 3 Funnels - 60ml Boston Shot Bottles for Health Immunity Potion Wellness Sample Ginger Juice - Mini Personal Care & Beauty Travel Bottle
AOZITA$10.204.7★19,355 rev
MaxMau 24PCS 10ml Glass Bottles Mini Vials with Cork Stoppers for DIY Decor
MaxMau$7.814.8★3,719 rev
Accguan 4oz Small Glass Jars with lids (Silver) Mini Mason Jars Set of 40
Accguan$28.484.7★2,901 rev
CycleMore 40 Pcs 4oz Crystal Mini Mason Jars Silver Separable Lids
CycleMore$29.024.7★1,506 rev
Newest
by launch date
2oz Small Glass Jar with Lid 6 Pack Clear Cosmetic Jar with Wood-Grain Lid
Bumobum$9.61134 rev
PureRoot 6 Pack 2 oz Mini Mason Jars Small Glass Jars with Lids
PureRoot$9.6888 rev
PureRoot 48 Pack 2 oz Mini Mason Jars Bulk Set Small Glass Jars with Lids
PureRoot$30.9088 rev
4oz Small Glass Jar with Lid 4 Pack Clear Cosmetic Jar with Wood-Grain Lid
Bumobum$9.50134 rev
GLATABAM 4 OZ Salad Dressing Jar 8 Pack Airtight Leakproof Bulk Small Glass Sauce Jar with Lids Reusable for Lunch Box Bento Travel & Meal Prep(4 OZ-8Pack)
GLATABAM$14.68612 rev
Trending
90-day click momentumPureRoot 48 Pack 2 oz Mini Mason Jars Bulk Set Small Glass Jars with Lids
PureRoot$30.904.7★
PureRoot 6 Pack 2 oz Mini Mason Jars Small Glass Jars with Lids
PureRoot$9.684.7★
GLATABAM 4 OZ Salad Dressing Jar 8 Pack Airtight Leakproof Bulk Small Glass Sauce Jar with Lids Reusable for Lunch Box Bento Travel & Meal Prep(4 OZ-8Pack)
GLATABAM$14.684.7★
RowinsyDD Baby Food Containers 4 oz 8 Pack Glass Jars with Lids
RowinsyDD$15.044.7★
2oz Small Glass Jar with Lid 6 Pack Clear Cosmetic Jar with Wood-Grain Lid
Bumobum$9.614.6★
What buyers say about 4 oz glass jars with lids
What buyers praise and complain about, mined from review topics.What buyers love
“I love the size”
“Bottles are good quality”
“Better than expected”
“Excellent Value”
“Easy to use”
“Doesnt leak”
“Easy to store”
“Perfect for gift giving”
“The material is durable—I really liked them”
“clean up quickly”
What buyers complain about
“too big”
“Not leakproof”
“Break easily”
“Cheap quality”
“They are hard to use”
“Lids impossible to clean thoroughly”
“Rusted”
“very fragile”
“over priced for what you get”
“The glass of the bottle is thick”
Top return reasons
Common questions
- Is 4 oz glass jars with lids profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 93 tracked products. 19 of 24 products launched in the last 360 days are still selling. 90-day search growth is -7.0%. Flapen's verdict: Worth a look (64/100).
- How competitive is the 4 oz glass jars with lids niche?
- 58 brands and 79 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 29% of demand.
- What do buyers complain about in 4 oz glass jars with lids?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Durability. The return rate is 2.2%.
- When does demand for 4 oz glass jars with lids peak?
- Demand peaks in May–Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 4 oz glass jars with lids niche?
- Listings span $5.03–$36.20; the average listing price is $18.64 (sweet spot $15–$100). The average incumbent carries 1,627 reviews — the moat a new listing must climb.