mildliner highlighters
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Price range
Good£4.70–£35.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£12.25avg listing price — sweet spot $15–$100
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,127.85avg incumbent reviews — the moat a new listing must climb
Competition
Bad77%top-5 click share — a locked-up shelf
Market size
Bad£65K£65K/yr · 202K searches
Growth
Bad-18.4%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
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.
Data updated Jul 27, 2026 · scored weekly · How we score niches
mildliner highlighters market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £74K–£98K
- units × avg price
- Conversion rate
- 2.6%
- Avg BSR
- #140
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 46%
- Out of stock
- 10.4%
- Avg brand age
- 45 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.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%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.4% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 3.4×
Top mildliner highlighters search terms
- 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
Top mildliner highlighters 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zebra Mildliner Creative Marker Double Ended Soft Mild Color 15 Pack
Zebra Pen£11.874.7★245 rev
![ZEBRA Mildliner Fluorescence Pen [Parallel Import Goods] (Natural Mild Colour) WKT7-5C-NTC](https://m.media-amazon.com/images/I/41AQDB9mpKL.jpg)
ZEBRA Mildliner Fluorescence Pen [Parallel Import Goods] (Natural Mild Colour) WKT7-5C-NTC
Zebra Pen£6.124.6★1,434 rev
![ZEBRA WKT7-5C-YC Mildliner Fluorescent Marker [Parallel Import Goods] (Softness Mild Colour)](https://m.media-amazon.com/images/I/41+2WYQmipL.jpg)
ZEBRA WKT7-5C-YC Mildliner Fluorescent Marker [Parallel Import Goods] (Softness Mild Colour)
Zebra Pen£6.314.6★969 rev
Zebra Pen Mildliner Dual Tip Highlighter Pens - Broad & Fine Tip Double Ended Markers - Pack of Colours in Envelope Gift Packaging - Acid-Free & Non Toxic Ink (15 Pack)
Zebra Pen£10.784.6★127 rev
Zebra Pen MILDLINER Dual Tip Fluorescent Highlighter Pens Pastel Highlighter Pens For Adults Broad & Fine Tip Markers & Highlighters For Many Uses Double Ended Highlighters 5 Pk - Assorted Colours
Zebra Pen£4.704.6★1,445 rev
Newest
by launch date
APXEL Dual Tip Fluorescent Highlighter Pens 15 Colors Mild Highlighters Quick Dry Broad & Fine Tip Markers & Highlighters for Adults & High School Studentss Stationary Supplies (Starry Sky)
APXEL£6.0234 rev
Zebra Pen Mildliner Dual Tip Highlighter Pens - Broad & Fine Tip Double Ended Markers - Pack of Colours in Envelope Gift Packaging - Acid-Free & Non Toxic Ink (15 Pack)
Zebra Pen£10.78127 rev
Gelanty Highlighters Pens 15 Colors Highlighter Markers Dual Tip Cute Aesthetic Stationery for Colouring Underlining Note-Taking Journals
Gelanty£6.52105 rev
Zebra Mildliner Creative Marker Double Ended Soft Mild Color 15 Pack
Zebra Pen£11.87245 rev
Zebra Mildliner WKT7-35C Highlighters Highlighter Pens 35 Colours Set Gift Box Included
Zebra Pen£35.52716 rev
Trending
90-day click momentumAPXEL Dual Tip Fluorescent Highlighter Pens 15 Colors Mild Highlighters Quick Dry Broad & Fine Tip Markers & Highlighters for Adults & High School Studentss Stationary Supplies (Starry Sky)
APXEL£6.024.3★
Gelanty Highlighters Pens 15 Colors Highlighter Markers Dual Tip Cute Aesthetic Stationery for Colouring Underlining Note-Taking Journals
Gelanty£6.524.1★
ZEBRA WKT7-5C-YC Mildliner Fluorescent Marker [Parallel Import Goods] (Softness Mild Colour)
Zebra Pen£6.314.6★
Zebra Mildliner Creative Marker Double Ended Soft Mild Color 15 Pack
Zebra Pen£11.874.7★
Zebra Mildliner WKT7-35C Highlighters Highlighter Pens 35 Colours Set Gift Box Included
Zebra Pen£35.524.8★
What buyers say about mildliner highlighters
What buyers praise and complain about, mined from review topics.What buyers love
“the colors are nice”
“Excellent for what I needed”
“dont bleed through paper”
“Just as described”
“they give a slight shiny look which I really like”
“The colours are gorgeous and I love the slim profile and dual tip”
“the chiseled tip is very durable”
“There isnt much bleed through on the paper”
“Really like the differnt thickness on either end”
“It works wonderfully”
What buyers complain about
“the colour range is not good as well”
“seemed quite dry”
“My biggest worry was it would bleed through the pages of my novel”
“seemed quite dry”
“a little pricey”
“the colour range is not good as well”
“they don't write well enough test their durability”
“They are quite expensive so I expected better quality when using them”
“then the ink stains the highlighter resulting in the colour being slightly muddier for a few uses”
Top return reasons
Common questions
- Is mildliner highlighters profitable to sell on Amazon United Kingdom?
- The niche generates £65K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.4%. Flapen's verdict: Skip it (31/100).
- How competitive is the mildliner highlighters niche?
- 5 brands and 60 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in mildliner highlighters?
- Top complaints mined from reviews: Color, Dry/Empty Ink, Paper Brightness. The return rate is 0.4%.
- When does demand for mildliner highlighters peak?
- Demand peaks in Aug–Sep; the busiest month runs 3.4× the quietest.
- What does it cost to enter the mildliner highlighters niche?
- Listings span £4.70–£35.52; the average listing price is £12.25 (sweet spot $15–$100). The average incumbent carries 4,128 reviews — the moat a new listing must climb.