Waterproof Pens
prices mostly outside the sweet spot ($1.56–$13.82) — Waterproof Pens doesn't clear our bar today.
Flapen Score
Is Waterproof Pens profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Waterproof Pens is a £33K/yr Amazon United Kingdom market (40K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 39/100.
Waterproof 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 -7.5% over the last 90 days and 12.5% of searches end in a purchase.
£33K
revenue / yr
Who owns the niche?
The top 5 brands hold 92% of demand, so 8% of the market is open.
8%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 23 products
Top Waterproof 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
STAEDTLER 318 WP4 Lumocolor Permanent Pen Fine Line Width 0.6mm - Assorted Colours (Pack of 4)
- Price
- £4.17
- Rating
- 4.7/5
- Reviews
- 5,202
- Age
- 19y ago

STAEDTLER 318-9 Lumocolor Permanent Pen Fine Line Width 0.6mm - Black (Box of 10)
- Price
- £10.89
- Rating
- 4.7/5
- Reviews
- 2,962
- Age
- 19y ago

STAEDTLER Lumocolor Fine Permanent Marker Pens - Waterproof Smudge Resistant Quick Dry CD DVD OHP - Black - Pack of 3
- Price
- £5.05
- Rating
- 4.7/5
- Reviews
- 380
- Age
- 5y ago

10 Pcs Fine Point Black Permanent Marker Pens Marker Pen Quick Drying & Waterproof Pen Set for Doodling Marking on Plastic Wood Metal Glass Ideal for Office School Arts & Crafts Supplies (0.6mm)
- Price
- £5.83
- Rating
- 4.3/5
- Reviews
- 168
- Age
- 2y ago

STAEDTLER Lumocolor Fine Permanent Marker Pens - Waterproof Smudge Resistant Quick Dry CD DVD OHP - Black - Pack of 5
- Price
- £7.42
- Rating
- 4.7/5
- Reviews
- 134
- Age
- 4y ago
Trending
90-day click momentum
HowseHold Garden Marker Pens Pack of 2 1mm Fine Tip Waterproof Plant Label Pens for Outdoor Use Permanent Ink for Pots Tags Seeds and Gardening
- Price
- £5.08
- Rating
- 3.2/5
- Reviews
- 9
- Age
- 3mo ago

12 Pack Permanent Marker Pens 0.6mm Fine Tip Waterproof Markers Quick Dry Fine Point Felt Tip Pens Multi Surface Marker for Plastic Metal Glass Wood Paper Office School Art Supplies (Black)
- Price
- £5.09
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 4mo ago

12 Pcs Permanent Marker Pens 0.6mm Fine Tip Markers Quick Drying & Waterproof Fineliner Pens Felt Tip Pen for Doodling & Marking on Plastic Wood Metal Glass Ceramic Paper(4 Colors)
- Price
- £5.89
- Rating
- 4.3/5
- Reviews
- 62
- Age
- 6mo ago

STAEDTLER 313 WP8 Lumocolor Permanent Pen Superfine Line Width 0.4mm - Assorted Colours (Pack of 8)
- Price
- £13.80
- Rating
- 4.6/5
- Reviews
- 853
- Age
- 19y ago

STAEDTLER Lumocolor Permanent Marker Pen Smudge-Proof and Waterproof on Almost All Surfaces line Width F 0.6 mm refillable Long Service Life 5 Black Universal pens 318-9X
- Price
- £8.26
- Rating
- 4.7/5
- Reviews
- 985
- Age
- 3y ago
Newest
by launch date
HowseHold Garden Marker Pens Pack of 2 1mm Fine Tip Waterproof Plant Label Pens for Outdoor Use Permanent Ink for Pots Tags Seeds and Gardening
- Price
- £5.08
- Rating
- 3.2/5
- Reviews
- 9
- Age
- 3mo ago

12 Pack Permanent Marker Pens 0.6mm Fine Tip Waterproof Markers Quick Dry Fine Point Felt Tip Pens Multi Surface Marker for Plastic Metal Glass Wood Paper Office School Art Supplies (Black)
- Price
- £5.09
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 4mo ago

12 Pcs Permanent Marker Pens 0.6mm Fine Tip Markers Quick Drying & Waterproof Fineliner Pens Felt Tip Pen for Doodling & Marking on Plastic Wood Metal Glass Ceramic Paper(4 Colors)
- Price
- £5.89
- Rating
- 4.3/5
- Reviews
- 62
- Age
- 6mo ago

12 Pcs Permanent Marker Pens Black 0.6mm Fine Tip Markers Quick Drying & Waterproof Fineliner Pens Felt Tip Pen for Doodling & Marking on Plastic Wood Metal Glass Ceramic Paper
- Price
- £5.41
- Rating
- 4.3/5
- Reviews
- 62
- Age
- 10mo ago

Artline Pack of 2 Garden Marker Pens (Black). Garden Markers for Plants Pots or Tools. UV-Resistant Waterproof Pens for Outdoors - Genuine Fine Permanent Markers & Marker Pens
- Price
- £7.14
- Rating
- 4.7/5
- Reviews
- 1,000
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
Brands
10 falling
Sellers
113
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
55%
Top 20: 96%
Open market
6%
- STAEDTLER69%
- Sharpie10%
- meukcez6%
- Generic5%
- SAKEYR2%
- Aurobliss2%
- Open — no brand owns it (4 brands, 6%)
Waterproof Pens demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top Waterproof Pens search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- staedtler lumocolor permanent14K/yr
- waterproof pens6K/yr
- lumocolor permanent pens6K/yr
- waterproof marker pen5K/yr
- indelible marker pen waterproof outdoor4K/yr
- staedtler permanent marker fine3K/yr
- staedtler lumocolor permanent fine3K/yr
What reviews say buyers love and hate about Waterproof Pens
What buyers mention most, as a share of all reviews.
What buyers love
76% of reviews“I love their consistent quality”
“Good value for the money”
“Exactly as advertised”
“Nice writers”
“Great set of pens”
What buyers complain about
66% of reviews“Does not work”
“they dry up quickly”
“Very poor performance”
“Bit more expensive than cheaper brands”
“don't dry out to quickly”
Waterproof Pens return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
29%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Waterproof Pens questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









