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耐水ペーパー 600番

耐水ペーパー 600番 shows low returns (0.2%), but prices mostly outside the sweet spot ($224.07–$743.42) keeps it on the watch list.

Flapen Score

54
Worth a look

Ranks 2,625 of 4,191 DIY・工具・ガーデン niches · −3 vs the category median of 57

Market size 60Growth 44Conversion 91Competition 18Returns 99Price range 0Avg price 1Brand share 43Review moat 78Quality gap 90
This niche Category average · 4,191 niches

Is 耐水ペーパー 600番 profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, 耐水ペーパー 600番 is a ¥503K/yr Amazon Japan market (9K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 54/100.

耐水ペーパー 600番: 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 +14.8% over the last 90 days and 11.0% of searches end in a purchase.

¥503K

revenue / yr

Units sold / yr1K
Search volume / yr+14.8%9K
Conversion rate11.0%
Avg price¥492.65

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers9 · 35
Top-5 product click share79%
Open market21%
Avg brand age82 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.1★ — the gap to enter on.

0/100

page quality · 9 products

Sponsored placement56%
New entrants (1y)1· 1 succeeded
Avg rating4.1★
Avg reviews441

Top 耐水ペーパー 600番 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 79% of clicks — a locked-up shelf that new listings rarely crack.

¥0¥75K¥151K¥226K¥302K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 falling

Sellers

35

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

15%

  • MORLARCO40%
  • IROKCAKPT15%
  • トラスコ中山(TRUSCO)9%
  • BODHTAT8%
  • Holts(ホルツ)6%
  • ビッグマン(Bigman)6%
  • Open — no brand owns it (3 brands, 15%)

耐水ペーパー 600番 demand & seasonality

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

Volume9KCVR11.0%Products9Brands9Top 5 Brands79%OOS Rate1.7%Rating4.1★Reviews441Avg BSR#187
225175Spike '25Spike '26Prime Day '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26

Top 耐水ペーパー 600番 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 耐水ペーパー 600番3K/yr
  • サンドペーパー 6003K/yr
  • 耐水ペーパー 6003K/yr

What reviews say buyers love and hate about 耐水ペーパー 600番

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

What buyers love

100% of reviews
コストパフォーマンス50%

安価で良い

サイズ全体25%

大きさがいいです. これだけあればしばらく大丈夫です。大きさがちょうど良く無駄にならなくていいです。

正しい内容13%

数が多く良かったです

使用の容易さ13%

番目も多く使いやすかったです

Common 耐水ペーパー 600番 questions

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

Flapen scores 耐水ペーパー 600番 54/100 on Amazon Japan — Worth a look. The niche generates ¥503K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +14.8% over the last 90 days.
耐水ペーパー 600番 sells for ¥492.65 on average on Amazon Japan, outside our $15–$100 sweet spot. Listings span ¥224.07–¥743.42. The average incumbent carries 441 reviews — the moat a new listing must climb.