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紙やすり 240

紙やすり 240 shows low returns (0.3%), but prices mostly outside the sweet spot ($134.42–$676.88) keeps it on the watch list.

Flapen Score

52
Worth a look

Ranks 2,988 of 4,191 DIY・工具・ガーデン niches · −5 vs the category median of 57

Market size 70Growth 34Conversion 95Competition 12Returns 99Price range 0Avg price 13Brand share 6Review moat 97Quality gap 96
This niche Category average · 4,191 niches

Is 紙やすり 240 profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, 紙やすり 240 is a ¥739K/yr Amazon Japan market (14K searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 52/100.

紙やすり 240: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +7.1% over the last 90 days and 12.8% of searches end in a purchase.

¥739K

revenue / yr

Units sold / yr3K
Search volume / yr+7.1%14K
Conversion rate12.8%
Avg price¥413.14

Who owns the niche?

The top 5 brands hold 98% of demand, so 2% of the market is open.

2%

open market share

Brands · sellers6 · 18
Top-5 product click share86%
Open market2%
Avg brand age75 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.9★ — the gap to enter on.

0/100

page quality · 10 products

Sponsored placement100%
New entrants (1y)2· 2 succeeded
Avg rating3.9★
Avg reviews62

Top 紙やすり 240 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

¥0¥74K¥148K¥222K¥295K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

18

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

0%

  • 角利産業(Kakuri Sangyo)37%
  • MORLARCO21%
  • TAKAGI17%
  • IROKCAKPT15%
  • BODHTAT8%
  • ビッグマン(Bigman)2%

紙やすり 240 demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume14KCVR12.8%Products10Brands6Top 5 Brands98%OOS Rate0.5%Rating3.9★Reviews62Avg BSR#18
400300Spike '24Holiday '24Spike '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

What reviews say buyers love and hate about 紙やすり 240

What buyers mention most, as a share of all reviews.

What buyers love

100% of reviews
ペイントの品質25%

古いニスや塗料、油汚れの残り等がとれ、塗料ののりもいいです。

コストパフォーマンス25%

お得感あり

サイズ全体25%

大きさもちょうど良い

水に強い13%

ちゃんと耐水で最後まで使えました

使用の容易さ13%

程よいサイズで使い心地が良いです

What buyers complain about

100% of reviews
清掃の容易さ50%

使用中にざらざら

吸収性50%

珪藻土マットの吸水性がなくなってきて、表面を削るために購入しました。

紙やすり 240 return rate & reasons

Why buyers send it back, as a share of all return requests.

0.3%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1サイズ全体
50%
2
25%
3互換性-全体
25%

Common 紙やすり 240 questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 紙やすり 240 52/100 on Amazon Japan — Worth a look. The niche generates ¥739K/yr across 10 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved +7.1% over the last 90 days.
Search demand for 紙やすり 240 on Amazon Japan is steady year-round — the busiest month runs 1.4× the quietest.