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Mildliner Highlighters

brand-locked demand (top 5 brands take 100% of clicks) — Mildliner Highlighters doesn't clear our bar today.

Flapen Score

31
Skip it

Ranks 5,515 of 5,777 Home & Garden niches · −20 vs the category median of 51

Market size 16Growth 16Conversion 33Competition 20Returns 98Price range 67Avg price 52Brand share 0Review moat 25Quality gap 30
This niche Category average · 5,777 niches

Is Mildliner Highlighters profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Mildliner Highlighters is a £65K/yr Amazon United Kingdom market (202K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 31/100.

Mildliner Highlighters: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -18.4% over the last 90 days and 2.6% of searches end in a purchase.

£65K

revenue / yr

Units sold / yr8K
Search volume / yr-18.4%202K
Conversion rate2.6%
Avg price£12.25

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers5 · 60
Top-5 product click share77%
Open market0%
Avg brand age45 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 13 products

Sponsored placement46%
New entrants (1y)1· 0 succeeded
Avg rating4.6★
Avg reviews4,128

Top Mildliner Highlighters 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 77% of clicks — a locked-up shelf that new listings rarely crack.

£0£7K£13K£20K£26K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 falling

Sellers

60

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

0%

  • Zebra Pen90%
  • Zebra Technologies4%
  • Shuttle Art2%
  • APXEL2%
  • Gelanty2%

Mildliner Highlighters demand & seasonality

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

Volume202KCVR2.6%Products13Brands5Top 5 Brands100%OOS Rate10.4%Rating4.6★Reviews4,128Avg BSR#140
13K8KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 3.4×

Top Mildliner Highlighters search terms shoppers use

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

  • mildliner highlighters66K/yr
  • zebra mildliner highlighters45K/yr
  • mildliners21K/yr
  • zebra highlighters14K/yr
  • mildliner13K/yr
  • midliners14K/yr
  • zebra mildliner10K/yr
  • midliners pens2K/yr
  • highlighters mildliner5K/yr
  • highlighters zebra4K/yr

What reviews say buyers love and hate about Mildliner Highlighters

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

What buyers love

91% of reviews
Color34%

the colors are nice

Quality-Overall15%

Excellent for what I needed

Paper Quality7%

dont bleed through paper

Advertised Vs Actual Product6%

Just as described

Paper Brightness6%

they give a slight shiny look which I really like

What buyers complain about

78% of reviews
Color31%

the colour range is not good as well

Dry/Empty Ink19%

seemed quite dry

Paper Brightness6%

My biggest worry was it would bleed through the pages of my novel

Moist/Dry6%

seemed quite dry

Value For Money4%

a little pricey

Mildliner Highlighters return rate & reasons

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

0.4%

Return rate

54%

Fixable by listing

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

1Color
43%
2Functionality-Overall
8%
3Quality-Overall
8%
4Display Colors
6%
5Ink Refill
6%

Common Mildliner Highlighters questions

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

Flapen scores Mildliner Highlighters 31/100 on Amazon United Kingdom — Skip it. The niche generates £65K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -18.4% over the last 90 days.
Search demand for Mildliner Highlighters on Amazon United Kingdom peaks in Aug–Sep, where the busiest month runs 3.4× the quietest.