Muji Pens
prices mostly outside the sweet spot ($5.02–$14.14) — Muji Pens doesn't clear our bar today.
Flapen Score
Is Muji Pens profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Muji Pens is a £68K/yr Amazon United Kingdom market (246K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–Sep. Verdict: Skip it — 36/100.
Muji Pens: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -5.8% over the last 90 days and 2.8% of searches end in a purchase.
£68K
revenue / yr
Who owns the niche?
The top 5 brands hold 93% of demand, so 7% of the market is open.
7%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 16 products
Top Muji Pens products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Muji Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set 0.5 mm Nib Size Black
- Price
- £14.14
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 7y ago
MUJI 0.38mm Black Gel Ink Pen (Pack of 5)
- Price
- £10.66
- Rating
- 4.6/5
- Reviews
- 781
- Age
- 12y ago
ABEIER Premium 12 Gel Ink Pens Fine Point Pens Ballpoint Pen 0.5mm for Japanese Office Stationery Supply Pack for XSG
- Price
- £7.72
- Rating
- 4.6/5
- Reviews
- 2,345
- Age
- 5y ago
MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)
- Price
- £13.40
- Rating
- 4.5/5
- Reviews
- 1,278
- Age
- 5y ago
Muji Gel Ink Pen Black 0.5mm Pack of 3 (Japan Import)
- Price
- £9.12
- Rating
- 4.6/5
- Reviews
- 2,937
- Age
- 8y ago
Trending
90-day click momentum
Shezi & co Muujiii Pens 0.38mm Black Gel Pen Pack of 10 | Smooth Writing Japanese Stationery | Fine Tip Ballpoint Pens for Students Office Handwriting Journaling & Notes (0.38mm Pack of 10)
- Price
- £9.32
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 12y ago
Muujiii Pens 0.5mm Black Gel Pen Pack of 10 | Smooth Writing Japanese Stationery | Fine Tip Ballpoint Pens for Students Office Handwriting Journaling & Notes | Smudge-Free Ink
- Price
- £10.78
- Rating
- 3.8/5
- Reviews
- 6
- Age
- 12y ago
Muji Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set 0.5 mm Nib Size Black
- Price
- £14.14
- Rating
- 4.6/5
- Reviews
- 1,450
- Age
- 7y ago
MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)
- Price
- £13.40
- Rating
- 4.5/5
- Reviews
- 1,278
- Age
- 5y ago
Muji Pens 0.38mm Black Gel Pen Pack of 5 | Smooth Writing Japanese Stationery | Fine Tip Ballpoint Pens for Students Office Handwriting Journaling & Notes | Smudge-Free Ink
- Price
- £8.03
- Rating
- 4.4/5
- Reviews
- 11
- Age
- 12y ago
Newest
by launch date
Surcotto Gel Ink Pens 12pcs 0.5mm Black Ultra-Fast Drying for Writing Drawing and Outlining - Suitable for Students and Office Workers
- Price
- £5.02
- Rating
- 4.4/5
- Reviews
- 2,204
- Age
- 3y ago
Muji Gel Ink Ballpoint Pen Cap Type 10-Pieces Set 0.38 mm Nib Size Black
- Price
- £13.75
- Rating
- 4.3/5
- Reviews
- 358
- Age
- 5y ago
MUJI Gel Ink Ballpoint Pens 0.38mm Set of 9 Pack (5 Black 2 Blue 2 Red)
- Price
- £13.40
- Rating
- 4.5/5
- Reviews
- 1,278
- Age
- 5y ago
ABEIER 0.35 mm Black Gel Pen Extra-Fine Ballpoint Pen for Office Stationery Supply (12 Pieces)
- Price
- £6.35
- Rating
- 4.6/5
- Reviews
- 536
- Age
- 5y ago
ABEIER Premium 12 Gel Ink Pens Fine Point Pens Ballpoint Pen 0.5mm for Japanese Office Stationery Supply Pack for XSG
- Price
- £7.72
- Rating
- 4.6/5
- Reviews
- 2,345
- Age
- 5y ago
Competition: brands, sellers & click share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
Brands
7 rising
Sellers
63
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
3%
- MUJI55%
- Muji12%
- ABEIER10%
- Hometric8%
- Shezi & co8%
- Generic5%
- Open — no brand owns it (1 brand, 3%)
Muji Pens demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Apr, Sep · busiest ÷ quietest = 4.3×
Top Muji Pens search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- muji pens104K/yr
- muji90K/yr
- muji pens 0.522K/yr
- muji pen17K/yr
- muji stationery5K/yr
- muji gel pens3K/yr
- muji5K/yr
What reviews say buyers love and hate about Muji Pens
What buyers mention most, as a share of all reviews.
What buyers love
86% of reviews“Beautiful writing”
“Brilliant Quality”
“Great pens”
“Really good vale at under £6 for 12”
“A pleasure to use”
What buyers complain about
86% of reviews“one pen does not last long”
“A bit confused with all the good reviews”
“Writing is not smooth”
“Not very smooth”
“Bad Ink Flow”
Muji Pens return rate & reasons
Why buyers send it back, as a share of all return requests.
0.4%
Return rate
23%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Muji Pens questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
