Is outline pens profitable to sell on Amazon United Kingdom?

The niche generates £18K/yr across 18 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -35.3%. Flapen's verdict: Skip it (42/100).

How competitive is the outline pens niche?

16 brands and 21 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in outline pens?

Top complaints mined from reviews: Durability, Moist/Dry, Color. The return rate is 0.5%.

When does demand for outline pens peak?

Demand peaks in Nov–Dec; the busiest month runs 17.8× the quietest.

What does it cost to enter the outline pens niche?

Listings span £3.69–£7.45; the average listing price is £5.91 (sweet spot $15–$100). The average incumbent carries 2,175 reviews — the moat a new listing must climb.

outline pens

Skip it

Prices mostly outside the sweet spot ($3.69–$7.45) — this niche doesn't clear our bar today.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Great7.8%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Review moat

Okay2,174.89

avg incumbent reviews — the moat a new listing must climb

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Avg price

Bad£5.91

avg listing price — sweet spot $15–$100

Growth

Bad-35.3%

90-day search growth — must beat 0% to launch

Market size

Bad£18K

£18K/yr · 39K searches

Price range

Bad£3.69–£7.45

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, outline pens is a £18K/yr Amazon United Kingdom market (39K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 42/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

outline pens market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: £18K–£24K; units × avg price
Conversion rate: 7.8%
Avg BSR: #459
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 14.5%
Avg brand age: 35 months
Avg seller age: 183 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

28%

YITHINC26%
JUSTDOODLE23%
AKARUED6%
ECtury6%
CNMTCCO6%
ANYUKE6%

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — -35.3% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 17.8×

Open Trend

Top outline pens search terms

outline pens17K/yr +9.1%5.9% conv.
outline markers13K/yr -66.8%3.4% conv.
outline marker pens3K/yr -24.9%8.8% conv.
outliner pens3K/yr -38.9%6.2% conv.
outline pens metallic markers5K/yr -48.1%11.9% conv.
dual line highlighter pens73/yr -100.0%0.0% conv.

All search terms

Top outline pens 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

JUSTDOODLE 12 x Metallic Outline Marker Pens Coloured Glitter Pens with Double Line Feature Ideal Gifts for Girls Art Supplies Scrapbook & Stocking Filler for Kids 12 Multicolour Pens

JUSTDOODLE£7.314.4★120 rev

YITHINC Glitter Pens Outline Marker Pen Arts and Crafts Gift for Kids Girls Teenage Girls Gift 12 Sparkle Metallic Colouring Pens Easter Gifts for 4 5 6 7 8 9 10 11 12 Year Old Girls

YITHINC£5.034.5★8,919 rev

AKARUED Black Fineliner Pens 12 Pack Fineliners Technical Drawing Micro Liner Sketch Pen for Artists Waterproof Markers for Zentangle Illustration Manga Outline Art Supplies

AKARUED£7.074.6★2,092 rev

ECtury Girls Birthday Presents 12 Glitter Pens Outline Marker Pens Teenage Girl Gifts Arts and Crafts for Kids Colouring Pens Art Supplies Stocking Fillers Kids Gifts for 4-12 Year Old Girls

ECtury£6.584.5★4,805 rev

CNMTCCO Easter Gifts for Kids 12 Colors Outline Markers Pens Glitter Pens for Kids Magic Pens Art & Craft Supplies Birthday Easter Gifts for 4-12 Year Old Girls and Teens Art Stuff

CNMTCCO£4.734.1★114 rev

Newest

by launch date

12 Colors Glitter Pens - Colouring Outline Pens Markers Double Line

HaiFafafaing£5.960 rev

3mo ago

Zirax 12 Colours Outline Marker Pens Double Line Glitter Pens for Kids Teenage Girls Metallic Shimmer Markers for Easter Gifts Scrapbooking Birthday Cards DIY Art Crafts & School Stationery

Zirax£5.064 rev

4mo ago

swihorab 12 Colors Outline Markers Stocking Stuffers Double Line Glitter Marker Pens Shimmer Markers for Christmas Greeting Cards Outline Pens Art Supplies for Scrapbook Crafts DIY Art Crafts

swihorab£6.5316 rev

10mo ago

Toced Glitter Pens Outline Marker Pen Arts and Crafts Gift for Kids Teenage Girl Gifts 12 Sparkle Metallic Colouring Pens Birthday Gifts for 4-12 Year Old Girls

Toced£3.697 rev

11mo ago

YKKYK 12-Colors Colouring Pens Metallic Marker Pens Acrylic Paint Pens Glitter Pens Outline Marker Pens for Black Paper Card Making DIY Photo Album Scrapbook Crafts Arts and Crafts for Kids

YKKYK£7.453 rev

1y ago

What buyers say about outline pens

What buyers praise and complain about, mined from review topics.

What buyers love

Color18%

“nice range of colours”

Quality-Overall17%

“Good quality”

Value For Money14%

“Good price”

Pen/Pencil Quality10%

“Great pens”

Advertised Vs Actual Product8%

“Work exactly as advertised”

Ease Of Use4%

“Easy to use”

Thickness3%

“Good variation in thickness”

Writing Experience3%

“the rest did lovely writing”

Shape/Style2%

“Nice different style”

Drawing Experience2%

“Nice to draw with”

What buyers complain about

Durability10%

“Dont last very long”

Moist/Dry10%

“Dried out so faulty”

Color7%

“they were not producing the outline of the colour”

Stain Resistance7%

“I used these for a cute little Easter hunt and when I came to use them, followed the instructions and the ink just spilled out everywhere staining my sofa and hands”

Value For Money7%

“What a waste of my money”

Brightness/Shine/Glow6%

“cant say they are very glittery at all”

Functionality-Overall6%

“Dont work”

Dry/Empty Ink5%

“The ink doesn't last long at all”

Nib/Tip Quality5%

“one pen didn't have a nib so wouldn't work”

Quality-Overall2%

“Not as good”

Top return reasons

Functionality-Overall16%

Advertised Vs Actual Product13%

Leak-Proof10%

Quality-Overall8%

Dry/Empty Ink7%

Color6%

Size-Overall4%

Display Colors4%

Water Resistance4%

Defective Material/Parts3%

Common questions

Is outline pens profitable to sell on Amazon United Kingdom?: The niche generates £18K/yr across 18 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -35.3%. Flapen's verdict: Skip it (42/100).
How competitive is the outline pens niche?: 16 brands and 21 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in outline pens?: Top complaints mined from reviews: Durability, Moist/Dry, Color. The return rate is 0.5%.
When does demand for outline pens peak?: Demand peaks in Nov–Dec; the busiest month runs 17.8× the quietest.
What does it cost to enter the outline pens niche?: Listings span £3.69–£7.45; the average listing price is £5.91 (sweet spot $15–$100). The average incumbent carries 2,175 reviews — the moat a new listing must climb.