---
title: "Cake Jars — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cake-jars"
last_updated: "2026-08-10T11:09:50.657Z"
locale: en
meta:
description: "Niche score 51/100 · $40K/yr market · 84K searches/yr · $23.04 avg price. A small market ($40K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $40K/yr market · 84K searches/yr · $23.04 avg price. A small market ($40K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Cake Jars — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **cake jars**
**Worth a look**
Shows a sweet-spot price point ($23.04 avg), but a small market ($40K/yr) keeps it on the watch list.
Market size 10Growth 48Conversion 26Competition 68Returns 66Price range 86Avg price 95Brand share 87Review moat 54Quality gap 20
**Avg price**
**Incredible****$23.04**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$9.92–$54.25**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,347.36**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+18.6%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$40K**
$40K/yr · 84K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, cake jars is a $40K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 48% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cake jars market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$46K–$58K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#364**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **3.3%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**26 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**48%**
Top 20: 95%
**Top-5 click share**
**44%**
Top 20: 90%
**Open market**
**46%**
- Jnnzzggu14% - Gencywe11% - Panxxsen9% - Dabacc7% - TANGLONG6% - NOIRUC-CZ6%
## **Demand & seasonality**
Weekly Amazon search volume, last 53 weeks — +18.6% search growth over the last 90 days.
3K2KPrime Day '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/cake-jars/trend)
## **Top cake jars search terms**
- **cake jars**27K/yr+29.3%2.3% conv. - **cake jars with lids**25K/yr+11.1%2.3% conv. - **cake jars with lids and spoons**11K/yr+30.7%0.9% conv. - **dessert jars**8K/yr+13.3%1.3% conv. - **dessert jars with lids**7K/yr+0.1%1.4% conv. - **cake jar**5K/yr+15.4%1.2% conv. - **cake jars with lids 8oz**641/yr+64.9%2.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/cake-jars/search-terms)
## **Top cake jars 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%3%$1K6%$2K9%$4K12%$5K101001K10K 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**40 Pack Plastic Jars with Lids Gencywe 8 oz Clear Slime Cosmetics Containers with Pen and Labels Leakproof Storage Jars PET Empty Jars with Black Lids for Kitchen Cookie Candy Spices Dry Food Cream**Gencywe**$25.54**4.8★524 rev](https://www.amazon.com/dp/B0BM76SKHY) [2**Jnnzzggu 50 Pack 12oz Clear Plastic Cups with Dome Lids and Sporks No Hole Disposable Fruit Cups for Dessert Cupcake Parfait Pudding Iced Cold Drinks Snacks Fruits Bakeries Ice Cream**Jnnzzggu**$14.45**4.4★1,635 rev](https://www.amazon.com/dp/B09XTSY78W) [3**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**$9.92**4.7★998 rev](https://www.amazon.com/dp/B09TDGQB31) [4**Dabacc 8 OZ Plastic Jars with Lids 24 Pack Clear Plastic Slime Containers for Kitchen and Household Food Storage of Dry Goods Creams and More BPA Free**Dabacc**$18.86**4.8★3,304 rev](https://www.amazon.com/dp/B0823Y8B6B) [5**TANGLONG Plastic Jars with Lids 8 oz Plastic Containers with Lids Jars with Lids Ideal for Cake Jars Body Butter and Food Storage Pack of 30**TANGLONG**$22.75**4.8★264 rev](https://www.amazon.com/dp/B092HVT8H7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**FZJ 20 Pack 10OZ Rectangle Clear Plastic Dessert Cups with Lids and Sporks&Stickers Disposable Fruit Cups for Dessert Tiramisu container with lid Cupcake Parfait Pudding Iced Cold Drinks Fruits**FZJ**$25.14**13 rev1y ago](https://www.amazon.com/dp/B0F5Q5P9H6) [**FZJ 20 Pack 12OZ Square Clear Plastic Dessert Cups with Lids and Sporks&Stickers Disposable Parfait Cups with Lid Tiramisu container with lid Cupcake Parfait Pudding Iced Cold Drinks Fruits**FZJ**$27.02**18 rev1y ago](https://www.amazon.com/dp/B0F5Q9WGCX) [**Jingmore 50 Pack 9.5oz Clear Plastic Yogurt Parfait Cups Disposable Overnight Oats Containers with Lids and Spoons Cake Fruit Jars for Food Storage Salad Ice Creams Pudding Snacks (Round Style)**Jingmore**$26.53**42 rev1y ago](https://www.amazon.com/dp/B0F593Z6JJ) [**Large & Small Plastic Jars Combo (24 Pack) 12 Large 16 oz & 12 Small 8 oz Leak-Proof Clear Containers with Lids Mason Jars Perfect for Storing Spices Cookie Candy and Dry Food Empty Jars**Vivimee**$15.55**139 rev1y ago](https://www.amazon.com/dp/B0F4945F4F) [**sietpoek 48 PCS 8 OZ Plastic Jars with Screw On Lids Labels Refillable Empty Round Slime Containers for Storing Dry Food Honey Jam Cream Butter Lotion black**sietpoek**$28.00**229 rev1y ago](https://www.amazon.com/dp/B0DZPFNDD6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Large & Small Plastic Jars Combo (24 Pack) 12 Large 16 oz & 12 Small 8 oz Leak-Proof Clear Containers with Lids Mason Jars Perfect for Storing Spices Cookie Candy and Dry Food Empty Jars**Vivimee**$15.55**4.7★**▲ 265%**](https://www.amazon.com/dp/B0F4945F4F) [**FZJ 20 Pack 10OZ Rectangle Clear Plastic Dessert Cups with Lids and Sporks&Stickers Disposable Fruit Cups for Dessert Tiramisu container with lid Cupcake Parfait Pudding Iced Cold Drinks Fruits**FZJ**$25.14**4.6★**▲ 110%**](https://www.amazon.com/dp/B0F5Q5P9H6) [**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**$9.92**4.7★**▲ 81%**](https://www.amazon.com/dp/B09TDGQB31) [**FZJ 20 Pack 12OZ Square Clear Plastic Dessert Cups with Lids and Sporks&Stickers Disposable Parfait Cups with Lid Tiramisu container with lid Cupcake Parfait Pudding Iced Cold Drinks Fruits**FZJ**$27.02**4.5★**▲ 70%**](https://www.amazon.com/dp/B0F5Q9WGCX) [**Hajoyful Plastic Jars with Lids 48 Pcs 8 oz & 3.4 oz Clear Plastic Slime Storage Jars Containers with Airtight Black Screw On Lids Cylinder Clear Round Jar Easy Clean Food Grade Durable Jar**Hajoyful**$24.22**4.7★**▲ 36%**](https://www.amazon.com/dp/B095R8NWY3)
**~~View all trending →~~**
## **What buyers say about cake jars**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**23%
*“Good size”*
**Quality-Overall**18%
*“Excellent product”*
**Value For Money**7%
*“Excellent price”*
**Advertised Vs Actual Product**7%
*“Is exactly as pictured”*
**Strength**5%
*“The container is sturdy”*
**Ease Of Use**5%
*“Very easy to use”*
**Storage Capacity**4%
*“Great for Storage”*
**Leak-Proof**4%
*“did not leak”*
**Durability**3%
*“They didn't break easy”*
**Baking**3%
*“Great for caterings”*
### **What buyers complain about **
**Size-Overall**18%
*“too big for my what I need”*
**Strength**11%
*“these plastic ones are flimsy”*
**Rusts/Corrodes**7%
*“Rusts instantly”*
**Dishwasher Safe**6%
*“they rust after being put in the dishwasher”*
**Thickness**6%
*“More like a thick plastic”*
**Quality-Overall**6%
*“Cheaply made”*
**Ease Of Use**5%
*“Opening is not easy”*
**Ease Of Cleaning**3%
*“when it comes to washing them there is always food debris stuck to curved part on the inside of the jar”*
**Value For Money**3%
*“not worth the money”*
**Durability**3%
*“it looks like it could break if I threw it hard on the floor”*
### **Top return reasons **
**Size-Overall**80%
**Value For Money**5%
**Advertised Vs Actual Product**4%
**Material Quality**2%
**Quality-Overall**2%
**Strength**1%
**Functionality-Overall**1%
**Thin**1%
**Leak-Proof**1%
**Ease Of Use**0%
## **Common questions**
- **Is cake jars profitable to sell on Amazon United States?**
- The niche generates $40K/yr across 33 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +18.6%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the cake jars niche?**
- 26 brands and 30 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in cake jars?**
- Top complaints mined from reviews: Size-Overall, Strength, Rusts/Corrodes. The return rate is 2.4%.
- **When does demand for cake jars peak?**
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- **What does it cost to enter the cake jars niche?**
- Listings span $9.92–$54.25; the average listing price is $23.04 (sweet spot $15–$100). The average incumbent carries 1,347 reviews — the moat a new listing must climb.
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