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Waterproof Pens

prices mostly outside the sweet spot ($1.56–$13.82) — Waterproof Pens doesn't clear our bar today.

Flapen Score

39
Skip it
Market size 8Growth 21Conversion 95Competition 50Returns 99Price range 0Avg price 18Brand share 21Review moat 32Quality gap 35
This niche Category average

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

Units sold / yr6K
Search volume / yr-7.5%40K
Conversion rate12.5%
Avg price£6.55

Who owns the niche?

The top 5 brands hold 92% of demand, so 8% of the market is open.

8%

open market share

Brands · sellers10 · 113
Top-5 product click share55%
Open market8%
Avg brand age49 months

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

Sponsored placement48%
New entrants (1y)4· 1 succeeded
Avg rating4.5★
Avg reviews3,289

Top Waterproof Pens 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 55% of clicks — established leaders, but buyers still shop beyond them.

£0£3K£7K£10K£13K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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.

Volume40KCVR12.5%Products23Brands10Top 5 Brands92%OOS Rate0.0%Rating4.5★Reviews3,289Avg BSR#203
900700Spike '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26Jul '26

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
Quality-Overall17%

I love their consistent quality

Value For Money13%

Good value for the money

Advertised Vs Actual Product9%

Exactly as advertised

Writing Experience7%

Nice writers

Pen/Pencil Quality7%

Great set of pens

What buyers complain about

66% of reviews
Functionality-Overall12%

Does not work

Moist/Dry10%

they dry up quickly

Quality-Overall8%

Very poor performance

Value For Money6%

Bit more expensive than cheaper brands

Drying Time6%

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.

1Functionality-Overall
18%
2Thickness
10%
3Size-Overall
9%
4Advertised Vs Actual Product
8%
5Dry/Empty Ink
7%

Common Waterproof Pens questions

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

Flapen scores Waterproof Pens 39/100 on Amazon United Kingdom — Skip it. The niche generates £33K/yr across 23 tracked products. 1 of 4 products launched in the last 360 days are still selling. Search demand moved -7.5% over the last 90 days.
Waterproof Pens buyers on Amazon United Kingdom complain most about Functionality-Overall, Moist/Dry, Quality-Overall, the themes mined from the niche's reviews. Its return rate is 0.1%.