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メジャー 50m

メジャー 50m clears our launch bar: a $8.7M/yr market growing +17.6% this quarter with returns at 0.6%.

Flapen Score

63
Launch it

Top 21% of 4,191 DIY・工具・ガーデン niches · +6 vs the category median of 57

Market size 100Growth 47Conversion 79Competition 31Returns 97Price range 0Avg price 0Brand share 59Review moat 84Quality gap 90
This niche Category average · 4,191 niches

Is メジャー 50m profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, メジャー 50m is a ¥8.7M/yr Amazon Japan market (39K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in May. Verdict: Launch it — 63/100.

メジャー 50m: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Yes. Search demand moved +17.6% over the last 90 days and 8.1% of searches end in a purchase.

¥8.7M

revenue / yr

Units sold / yr3K
Search volume / yr+17.6%39K
Conversion rate8.1%
Avg price¥2779.88

Who owns the niche?

The top 5 brands hold 70% of demand, so 30% of the market is open.

30%

open market share

Brands · sellers14 · 89
Top-5 product click share67%
Open market30%
Avg brand age65 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 · 16 products

Sponsored placement63%
New entrants (1y)4· 4 succeeded
Avg rating4.1★
Avg reviews323

Top メジャー 50m 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 take 67% of clicks — established leaders, but buyers still shop beyond them.

¥0¥865K¥1.7M¥2.6M¥3.5M1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

14 falling

Sellers

89

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

24%

  • Amazonベーシック(Amazon Basics)26%
  • Charmoon14%
  • Krovat12%
  • タジマ9%
  • ヤマヨ測定機(Yamayo Sokuteiki)8%
  • Komelon6%

メジャー 50m demand & seasonality

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

Volume39KCVR8.1%Products16Brands14Top 5 Brands70%OOS Rate7.0%Rating4.1★Reviews323Avg BSR#138
1K600Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.8×

Top メジャー 50m search terms shoppers use

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

  • メジャー 50m17K/yr
  • 巻き尺 50m6K/yr
  • 巻尺 50m11K/yr
  • 50mメジャー4K/yr

What reviews say buyers love and hate about メジャー 50m

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

What buyers love

82% of reviews
使用の容易さ29%

持っておくと便利

軽い21%

本体は軽量かつコンパクト。

コストパフォーマンス9%

お値段以上

総合品質6%

ちょうど良いサイズで、動きもスムーズ。いい品と思います。

サイズ全体5%

ちょうど良いサイズで、動きもスムーズ。

What buyers complain about

64% of reviews
耐久性10%

直ぐに壊れる

使用の容易さ9%

不便です

サイズ全体8%

おおきさ. 直径15cmなので、直径10cm製よりも安心感がある

強さ7%

使いにくくなってしまったので、新しい別の丈夫そうなものを買い直します。

匂い6%

目立った汚れあり、匂いもひどい

メジャー 50m return rate & reasons

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

0.6%

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不良材料/部品
39%
2総合品質
22%
3サイズ全体
11%
4伸縮性/拡張性/弾力性
6%
5広告と実際の製品の違い
6%

Common メジャー 50m questions

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

Flapen scores メジャー 50m 63/100 on Amazon Japan — Launch it. The niche generates ¥8.7M/yr across 16 tracked products. 4 of 4 products launched in the last 360 days are still selling. Search demand moved +17.6% over the last 90 days.
Search demand for メジャー 50m on Amazon Japan peaks in May, where the busiest month runs 1.8× the quietest.