---
title: "Mason Jar with Clamp Lid — $38K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/mason-jar-with-clamp-lid"
last_updated: "2026-08-10T12:38:26.032Z"
locale: en
meta:
description: "Niche score 45/100 · $38K/yr market · 84K searches/yr · $29.52 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 45/100 · $38K/yr market · 84K searches/yr · $29.52 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Mason Jar with Clamp Lid — $38K/yr Amazon US Niche (2026) - Flapen"
---
# **mason jar with clamp lid**
**Skip it**
A small market ($38K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 30Conversion 19Competition 62Returns 71Price range 74Avg price 95Brand share 78Review moat 45Quality gap 23
**Avg price**
**Incredible****$29.52**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****57%**
top-5 brand share — no brand owns this niche
**Price range**
**Good****$9.89–$125.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,001.76**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+3.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$38K**
$38K/yr · 84K searches
According to Flapen's Amazon United States niche tracking, mason jar with clamp lid is a $38K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 45/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mason jar with clamp lid market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$44K–$59K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#584**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **88%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**27 **▲rising
**Sellers**
**39**
**Top-5 brand share**
**57%**
Top 20: 92%
**Top-5 click share**
**48%**
Top 20: 83%
**Open market**
**38%**
- Rainforce20% - Brajttt18% - Peokuaey7% - Panxxsen6% - novelinks6% - Ritayedet5%
## **Demand & seasonality**
Weekly Amazon search volume, last 83 weeks — +3.8% search growth over the last 90 days.
5K3KSpike '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 3.3×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/mason-jar-with-clamp-lid/trend)
## **Top mason jar with clamp lid search terms**
- **glass jars bulk**13K/yr+0.3%1.1% conv. - **jars bulk**11K/yr+10.3%1.2% conv. - **bulk jars**10K/yr-2.3%1.8% conv. - **bulk glass jars**8K/yr-10.5%1.0% conv. - **bulk jars with lids**9K/yr-6.7%0.9% conv. - **glass jars for crafts**6K/yr+29.9%1.3% conv. - **jars for crafts**7K/yr+15.4%1.0% conv. - **bulk glass jars with lids**5K/yr-5.7%0.4% conv. - **glass jars with lids bulk**5K/yr+8.2%1.2% conv. - **jars with lids bulk**4K/yr+16.0%0.9% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/mason-jar-with-clamp-lid/search-terms)
## **Top mason jar with clamp lid 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%5%$2K10%$4K15%$6K20%$8K101001K10K 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**Brajttt 7 oz Glass Jars with Lids Mini Yogurt Jars 30 Pack Apothecary Jars**Brajttt**$26.02**4.7★8,598 rev](https://www.amazon.com/dp/B07SS22SMK) [2**Rainforce Mason Jars 12 oz 20 Pack Glass Jars with Silver Lids food Storage**Rainforce**$27.16**4.6★1,760 rev](https://www.amazon.com/dp/B08KZYLCPP) [3**8 oz Mason Jars with Airtight Silver Lids - 30 Pack Small Glass Jars Set with Labels Twine & Mesh Bags - Wide Mouth Canning Jars for Party Favors Baby Shower Wedding & Bulk Crafts**Peokuaey**$25.59**4.7★393 rev](https://www.amazon.com/dp/B0FRLVVNTL) [4**Panxxsen 20 Pack 4oz Clear Plastic Jars with Lids 115ml Wide-Mouth Refillable Storage Containers Empty Round Containers for Candy Beads Lotion Slime Making and Food Storage**Panxxsen**$9.89**4.6★1,085 rev](https://www.amazon.com/dp/B09TDGQB31) [5**Rainforce Mason Jars 8 oz 30 Pack Small Glass Caning Jars with Silver Lids**Rainforce**$28.95**4.6★4,374 rev](https://www.amazon.com/dp/B08BR6G62H)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**8 oz Mason Jars with Airtight Silver Lids - 30 Pack Small Glass Jars Set with Labels Twine & Mesh Bags - Wide Mouth Canning Jars for Party Favors Baby Shower Wedding & Bulk Crafts**Peokuaey**$25.59**393 rev10mo ago](https://www.amazon.com/dp/B0FRLVVNTL) [**60 Pack 4 Oz Plastic Containers with Lids OBKJJ Clear Travel Size Leak Proof Makeup Travel Containers BPA Free Cosmetic Slime Jars for Lotion Cream Body Butter Makeup Ointments (60)**OBKJJ**$28.73**214 rev1y ago](https://www.amazon.com/dp/B0DHTK7Z1P) [**Glass Jars with Lids Eco-Friendly Cosmetic Containers with Airtight Black Lids & Liners Multi-Color Options for Cream Lotion Body Butter DIY Skincare Travel Jars (Clear 4oz)**NOOEEISS**$34.56**177 rev2y ago](https://www.amazon.com/dp/B0F1K1WYX8) [**Tinideya 154 Pcs DIY Pressed Flowers Mason Jar Set Pressed Flower Lanterns 12 Mason Jar 140 Natural Real Dried Flower Centerpiece Making Favor for Wedding Craft**Tinideya**$44.89**18 rev2y ago](https://www.amazon.com/dp/B0CYSNJTBG) [**SHOWIN 10 OZ Thick Candle Jars for Making Candles 15 Pcs Empty Jars with Wood Lids for Candle Making Sample Container Clear**SHOWIN**$33.89**896 rev3y ago](https://www.amazon.com/dp/B0C8122B7G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ball Jar Quilted Crystal Jelly (Case of 12) 8 oz**Ball**$12.01**4.9★**▲ 328%**](https://www.amazon.com/dp/B01LYV6CWZ) [**GPK4ALL 190ml 6oz Hexagon Glass Jars Pack of 24 Sets With Silver Lids for Jam Honey Jelly Candy Candle Wedding Favors Baby Shower Spice Crafts Party Favors Samples**GPK4ALL**$19.76**4.6★**▲ 184%**](https://www.amazon.com/dp/B09TXNL5HQ) [**Tinideya 154 Pcs DIY Pressed Flowers Mason Jar Set Pressed Flower Lanterns 12 Mason Jar 140 Natural Real Dried Flower Centerpiece Making Favor for Wedding Craft**Tinideya**$44.89**4.9★**▲ 170%**](https://www.amazon.com/dp/B0CYSNJTBG) [**8 oz Mason Jars with Airtight Silver Lids - 30 Pack Small Glass Jars Set with Labels Twine & Mesh Bags - Wide Mouth Canning Jars for Party Favors Baby Shower Wedding & Bulk Crafts**Peokuaey**$25.59**4.7★**▲ 131%**](https://www.amazon.com/dp/B0FRLVVNTL) [**24 Pack 10 oz Glass Mason Jars Canning Jars with Regular Mouth Lids**Betrome**$26.79**4.6★**▲ 89%**](https://www.amazon.com/dp/B07PLSRFMM)
**~~View all trending →~~**
## **What buyers say about mason jar with clamp lid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“the quality has been consistent every time”*
**Size-Overall**20%
*“Great size”*
**Value For Money**13%
*“Excellent price”*
**Advertised Vs Actual Product**7%
*“Exactly what I needed”*
**Gifting Purpose**5%
*“Perfect for DIY gifts”*
**Strength**4%
*“they seem very sturdy”*
**Durability**4%
*“Reliable and durable”*
**Ease Of Use**4%
*“So convenient”*
**Storage Capacity**3%
*“it holds a pretty good amount”*
**Ease Of Cleaning**2%
*“Easy to clean and use”*
### **What buyers complain about **
**Size-Overall**16%
*“Small jars”*
**Advertised Vs Actual Product**7%
*“The listing does not show it”*
**Rusts/Corrodes**7%
*“Lids rust quickly”*
**Quality-Overall**6%
*“Very poor quality glass”*
**Leak-Proof**6%
*“causing some leaking of the contents”*
**Thickness**6%
*“More like a thick plastic”*
**Ease Of Use**5%
*“Difficult to use”*
**Strength**4%
*“flimsy and melted on the top rack of the dishwasher”*
**Durability**4%
*“all broke within 6 months of use”*
**Value For Money**3%
*“They are cheaper here”*
### **Top return reasons **
**Size-Overall**80%
**Value For Money**6%
**Advertised Vs Actual Product**5%
**Material Quality**3%
**Quality-Overall**2%
**Functionality-Overall**1%
**Product Condition**0%
**Leak-Proof**0%
**Smell**0%
**Ease Of Use**0%
## **Common questions**
- **Is mason jar with clamp lid profitable to sell on Amazon United States?**
- The niche generates $38K/yr across 34 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Skip it (45/100).
- **How competitive is the mason jar with clamp lid niche?**
- 27 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 57% of demand.
- **What do buyers complain about in mason jar with clamp lid?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Rusts/Corrodes. The return rate is 2.2%.
- **When does demand for mason jar with clamp lid peak?**
- Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 3.3× the quietest.
- **What does it cost to enter the mason jar with clamp lid niche?**
- Listings span $9.89–$125.34; the average listing price is $29.52 (sweet spot $15–$100). The average incumbent carries 2,002 reviews — the moat a new listing must climb.
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