---
title: "ポリポット 6cm — ¥136K/yr Amazon JP Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/6cm"
last_updated: "2026-08-06T07:33:12.326Z"
locale: en
meta:
description: "Niche score 49/100 · ¥136K/yr market · 7K searches/yr · ¥422.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · ¥136K/yr market · 7K searches/yr · ¥422.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "ポリポット 6cm — ¥136K/yr Amazon JP Niche (2026) - Flapen"
---
# **ポリポット 6cm**
**Skip it**
Prices mostly outside the sweet spot ($150.30–$992.79) — this niche doesn't clear our bar today.
Market size 30Growth 20Conversion 55Competition 53Returns 99Price range 0Avg price 12Brand share 35Review moat 97Quality gap 90
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****67.55**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****¥136K**
¥136K/yr · 7K searches
**Growth**
**Bad****-9.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****¥422.62**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****¥150.30–¥992.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=jp&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")
According to Flapen's Amazon Japan niche tracking, ポリポット 6cm is a ¥136K/yr Amazon Japan market (7K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 49/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ポリポット 6cm market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **¥106K–¥211K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#193**
- **Page quality**
- **0%**
- **Prime**
- **77%**
- **Sponsored**
- **18%**
- **Out of stock**
- **18.8%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▲rising
**Sellers**
**40**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 98%
**Open market**
**11%**
- Tokai28% - 渡辺泰15% - 所沢植木鉢センター14% - 第一ビニール13% - 柴田園芸刃物(Shibata Engei Hamono)13% - カインズ5% - Open — no brand owns it (5 brands, 11%)
## **Demand**
Weekly Amazon search volume, last 10 weeks — -9.6% search growth over the last 90 days.
225175May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/jp/diy/6cm/trend)
## **Top ポリポット 6cm 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%¥5K8%¥11K12%¥16K16%¥22K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)7 products missing review or click data not plotted
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**渡辺泰 苗ポット 10個入 9.0cm**渡辺泰**¥150.30**4.1★24 rev](https://www.amazon.co.jp/dp/B006LWHLIA) [26.0cm](https://m.media-amazon.com/images/I/41mRAFt7AdL.jpg)**第一ビニール ポリポット \[黒\](20個入りパック)6.0cm**第一ビニール**¥230.98**3.9★173 rev](https://www.amazon.co.jp/dp/B0034L0ASO) [3**東海化成 エコポリポット 黒 丸 9cm 360cc**Tokai**¥416.35**0.0★0 rev](https://www.amazon.co.jp/dp/B0G282FQQY) [4**柴田園芸刃物(Shibata Engei Hamono) 育苗用スリット入ポリポット 9cm 50 枚パック 黒 スリット鉢**柴田園芸刃物(Shibata Engei Hamono)**¥674.35**5.0★5 rev](https://www.amazon.co.jp/dp/B0GJSFV5HS) [5**ポリポット 9cm 黒 100個 ビニールポット**所沢植木鉢センター**¥803.94**4.2★58 rev](https://www.amazon.co.jp/dp/B004OPLB8W)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**柴田園芸刃物(Shibata Engei Hamono) 育苗用スリット入ポリポット 9cm 50 枚パック 黒 スリット鉢**柴田園芸刃物(Shibata Engei Hamono)**¥674.35**5 rev6mo ago](https://www.amazon.co.jp/dp/B0GJSFV5HS) [**東海化成 エコポリポット 黒 丸 9cm 360cc**Tokai**¥416.35**0 rev8mo ago](https://www.amazon.co.jp/dp/B0G282FQQY) [**東海化成 エコポリポット 青 丸 9cm 360cc**Tokai**¥377.12**0 rev8mo ago](https://www.amazon.co.jp/dp/B0G2846TQJ) [**東海化成 ポリポット 黒 丸 6cm 130cc**Tokai**¥399.93**0 rev8mo ago](https://www.amazon.co.jp/dp/B0G28BZK4F) [**東海化成 エコポリポット 黄 丸 9cm 360cc**Tokai**¥377.01**2 rev8mo ago](https://www.amazon.co.jp/dp/B0G2869NK3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**渡辺泰 苗ポット 10個入 9.0cm**渡辺泰**¥150.30**4.1★**▲ 121%**](https://www.amazon.co.jp/dp/B006LWHLIA) [**明和 ポリ鉢黒丸100P 黒 直径9.0cm**MEIWA**¥235.49**0.0★**▲ 107%**](https://www.amazon.co.jp/dp/B00N3NIFDA) [**東海化成 エコポリポット 青 丸 9cm 360cc**Tokai**¥377.12**0.0★**▲ 84%**](https://www.amazon.co.jp/dp/B0G2846TQJ) [**カインズ(CAINZ) ポリ鉢 10.5cm 黒丸 100P**カインズ**¥234.48**4.0★**▲ 58%**](https://www.amazon.co.jp/dp/B0DG82X9K6) [**日本ポリ鉢販売(Japan Porihachi Hanbai) プレステラ90 10個組 ホワイト**日本ポリ鉢販売(Japan Porihachi Hanbai)**¥348.44**4.4★**▲ 50%**](https://www.amazon.co.jp/dp/B0BPLCCS58)
**~~View all trending →~~**
## **What buyers say about ポリポット 6cm**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**使用の容易さ**26%
*“便利 また買います”*
**サイズ全体**20%
*“お裾分け用に良い. ガーデニングが好きで植物のお裾分け用にちょうど良いサイズで、枚数も多くてコスパも良く助かります。”*
**コストパフォーマンス**15%
*“お得”*
**水に強い**12%
*“水を与えると下から素早く流れでるので、根腐れにはなりにくいと思います。”*
**強さ**9%
*“丈夫”*
**広告と実際の製品の違い**6%
*“思った通りのものです”*
**耐久性**3%
*“丈夫”*
**総合品質**2%
*“質も悪くない”*
**色**2%
*“黄色はいい感じ華やかになりました。”*
### **What buyers complain about **
**サイズ全体**54%
*“小さい”*
**総合品質**11%
*“品質悪い。”*
**コンパクトさ**11%
*“小さいので、置くスペースも小さくて済みます”*
**コストパフォーマンス**6%
*“サイズの確認ミスで思った以上に安っぽかったです。”*
**厚み**4%
*“薄くて柔らかい。”*
**使用の容易さ**4%
*“ふにゃふにゃで使いにくい”*
### **Top return reasons **
**サイズ全体**70%
**厚み**20%
**薄い**10%
## **Common questions**
- **Is ポリポット 6cm profitable to sell on Amazon Japan?**
- The niche generates ¥136K/yr across 22 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (49/100).
- **How competitive is the ポリポット 6cm niche?**
- 11 brands and 40 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in ポリポット 6cm?**
- Top complaints mined from reviews: サイズ全体, 総合品質, コンパクトさ. The return rate is 0.2%.
- **What does it cost to enter the ポリポット 6cm niche?**
- Listings span ¥150.30–¥992.79; the average listing price is ¥422.62 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.
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