Is 紙やすり 240 profitable to sell on Amazon Japan?

The niche generates ¥739K/yr across 10 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +7.1%. Flapen's verdict: Worth a look (52/100).

How competitive is the 紙やすり 240 niche?

6 brands and 18 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in 紙やすり 240?

Top complaints mined from reviews: 清掃の容易さ, 吸収性. The return rate is 0.3%.

When does demand for 紙やすり 240 peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the 紙やすり 240 niche?

Listings span ¥134.42–¥676.88; the average listing price is ¥413.14 (sweet spot $15–$100). The average incumbent carries 62 reviews — the moat a new listing must climb.

紙やすり 240

Worth a look

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

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Review moat

Incredible61.6

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Conversion

Incredible12.8%

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

Market size

Good¥739K

¥739K/yr · 14K searches

Growth

Okay+7.1%

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

Avg price

Bad¥413.14

avg listing price — sweet spot $15–$100

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad98%

top-5 brand share — brand-locked demand

Price range

Bad¥134.42–¥676.88

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

Signals Low Review Barrier Quality Gap High Price

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.

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

紙やすり 240 market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: ¥826K–¥1.0M; units × avg price
Conversion rate: 12.8%
Avg BSR: #18
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.5%
Avg brand age: 75 months
Avg seller age: 205 days

Competition & brand share

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

Brands

6 falling

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

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

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +7.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 紙やすり 240 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

角利(KAKURI) 紙ヤスリセット 12枚入(#240) 93x230mm 木材金属ペンキサビバリ取り汚れ落とし荒磨き下地磨き仕上げ磨きやすりペーパーサンダー削る 18170005

角利産業(Kakuri Sangyo)¥281.153.9★224 rev

MORLARCO 耐水ペーパー 240番 30枚セット紙やすり 230×93mm サンドペーパー

MORLARCO¥632.294.5★4 rev

IROKCAKPT 紙やすり耐水ペーパーセット #240番紙ヤスリ (26枚入) 粗目サンドペーパー耐水ヤスリ 230 mm x 93 mm 車金属磨き木工DIY作業にキッチンの掃に最適です

IROKCAKPT¥577.484.3★48 rev

高儀(Takagi) 紙やすり #240 10枚入

TAKAGI¥479.733.9★4 rev

BODHTAT 耐水ペーパー #240番 50枚入紙やすりセット中目サンドペーパー 230×93mm 紙ヤスリ耐水ヤスリ車金属磨き木工DIY作業にキッチンの掃に最適です

BODHTAT¥670.024.1★113 rev

Newest

by launch date

BODHTAT 耐水ペーパー #240番紙やすり 280mmx230mm 中目紙ヤスリ 15枚入サンドペーパー耐水ヤスリ車金属磨き木工DIY作業にキッチンの掃に最適です

BODHTAT¥676.8846 rev

9mo ago

BODHTAT 耐水ペーパー #240番 50枚入紙やすりセット中目サンドペーパー 230×93mm 紙ヤスリ耐水ヤスリ車金属磨き木工DIY作業にキッチンの掃に最適です

BODHTAT¥670.02113 rev

11mo ago

MORLARCO 耐水ペーパー 240番 30枚セット紙やすり 230×93mm サンドペーパー

MORLARCO¥632.294 rev

1y ago

高儀(Takagi) 紙やすり #240 10枚入

TAKAGI¥479.734 rev

3y ago

IROKCAKPT¥577.4848 rev

4y ago

What buyers say about 紙やすり 240

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

What buyers love

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

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。”

Top return reasons

サイズ全体50%

色25%

互換性-全体25%

Common questions

Is 紙やすり 240 profitable to sell on Amazon Japan?: The niche generates ¥739K/yr across 10 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +7.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the 紙やすり 240 niche?: 6 brands and 18 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in 紙やすり 240?: Top complaints mined from reviews: 清掃の容易さ, 吸収性. The return rate is 0.3%.
When does demand for 紙やすり 240 peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the 紙やすり 240 niche?: Listings span ¥134.42–¥676.88; the average listing price is ¥413.14 (sweet spot $15–$100). The average incumbent carries 62 reviews — the moat a new listing must climb.