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bos 非常用トイレ

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 96Growth 10Conversion 25Competition 41Returns 98Price range 0Avg price 0Brand share 0Review moat 75Quality gap 67

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Market size

Incredible¥3.1M

¥3.1M/yr · 26K searches

Review moat

Good506.44

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay2.0%

search→purchase rate — share of searches ending in a sale

Growth

Bad-30.4%

90-day search growth — must beat 0% to launch

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥6038.84

avg listing price — sweet spot $15–$100

Price range

Bad¥831.81–¥25616.91

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon Japan niche tracking, bos 非常用トイレ is a ¥3.1M/yr Amazon Japan market (26K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 45/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

bos 非常用トイレ market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
¥9.1M–¥12.1M
units × avg price
Conversion rate
2.0%
Avg BSR
#77
Page quality
0%
Prime
78%
Sponsored
50%
Out of stock
1.7%
Avg brand age
25 months
Avg seller age
171 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 rising

Sellers

28

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

0%

  • BOS88%
  • Fanxieast6%
  • PYKES PEAK3%
  • IPIC2%
  • トイレの女神PREMIUM2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.4% search growth over the last 90 days.
13K8KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 13.9×

Top bos 非常用トイレ search terms

  • bos 非常用トイレ7K/yr
  • bos トイレ5K/yr
  • 非常用トイレ bos5K/yr
  • bos 非常用トイレセット3K/yr
  • bos ボス 非常用簡易トイレセット3K/yr
  • bos非常用トイレ2K/yr
All search terms

Top bos 非常用トイレ 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%10%¥313K20%¥626K30%¥938K40%¥1.3M1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about bos 非常用トイレ

What buyers praise and complain about, mined from review topics.

What buyers love

コストパフォーマンス12%

“お手頃価格だし良いと思います。”

使用の容易さ11%

“非常用”

安全基準9%

“非常時に安心です。”

コンパクトさ9%

“コンパクト. 災害とトイレ故障のときのために、購入しました。とてもコンパクトなので、収納しやすく良いです。”

保管容量9%

“15年保存出来るのが良いです”

セキュリティ6%

“備えておくと安心”

匂い5%

“防臭袋が命です”

広告と実際の製品の違い4%

“思った通りよかったです”

総合品質4%

“良い品物でした”

使用説明書/ユーザーマニュアル/トラブルシューティング3%

“パッケージや説明書も分かりやすく、いざという時に慌てず使えそうな印象です。”

What buyers complain about

サイズ全体17%

“思ったより小さかった”

匂い14%

“BOSの臭わ”

コストパフォーマンス8%

“今後値上がりする可能性もあるのでしょうかね。”

重い7%

“重量がとても重いのがびっくり。”

漏れ防止5%

“漏れがあった。”

総合品質5%

“こういうのを初めて購入したので比較不可能ゆえに品質が良いのか悪いのかは不明。”

汚れにくさ3%

“外箱にインクの滲みのような汚れがあり、残念でした。”

保管容量3%

“保管場所を気にしたましたが120回分でもさほど大きくなかったので良かったです”

商品の状態3%

“新品かどうか不安に感じています。”

汚染3%

“周囲の汚染につながります。”

Top return reasons

傷に強い14%
水に強い14%
商品の状態9%
重い9%
サイズ全体9%
接着性/粘着性9%
漏れ防止5%
メンテナンスと修理5%
伸縮性/拡張性/弾力性5%
不良材料/部品5%

Common questions

Is bos 非常用トイレ profitable to sell on Amazon Japan?
The niche generates ¥3.1M/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -30.4%. Flapen's verdict: Skip it (45/100).
How competitive is the bos 非常用トイレ niche?
5 brands and 28 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in bos 非常用トイレ?
Top complaints mined from reviews: サイズ全体, 匂い, コストパフォーマンス. The return rate is 0.4%.
When does demand for bos 非常用トイレ peak?
Demand peaks in Aug–Sep; the busiest month runs 13.9× the quietest.
What does it cost to enter the bos 非常用トイレ niche?
Listings span ¥831.81–¥25616.91; the average listing price is ¥6038.84 (sweet spot $15–$100). The average incumbent carries 506 reviews — the moat a new listing must climb.