Is gel pens for adult coloring book profitable to sell on Amazon United States?

The niche generates $765K/yr across 41 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -13.1%. Flapen's verdict: Worth a look (55/100).

How competitive is the gel pens for adult coloring book niche?

22 brands and 104 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in gel pens for adult coloring book?

Top complaints mined from reviews: Writing Experience, Color, Dry/Empty Ink. The return rate is 0.8%.

When does demand for gel pens for adult coloring book peak?

Demand peaks in Nov–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the gel pens for adult coloring book niche?

Listings span $4.96–$35.59; the average listing price is $15.35 (sweet spot $15–$100). The average incumbent carries 11,902 reviews — the moat a new listing must climb.

gel pens for adult coloring book

Worth a look

Shows low returns (0.8%), but soft demand (-13.1% this quarter) keeps it on the watch list.

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Great$15.35

avg listing price — sweet spot $15–$100

Market size

Good$765K

$765K/yr · 1.0M searches

Price range

Good$4.96–$35.59

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

Competition

Good47%

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

Brand share

Good69%

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

Conversion

Good4.8%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad11,902.24

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.1%

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

According to Flapen's Amazon United States niche tracking, gel pens for adult coloring book is a $765K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 55/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

gel pens for adult coloring book market data

Units sold / yr: 60K–80K; avg 1,000–1,250/product
Revenue / yr: $921K–$1.2M; units × avg price
Conversion rate: 4.8%
Avg BSR: #79
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 2.6%
Avg brand age: 44 months
Avg seller age: 147 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 falling

Sellers

104

Top-5 brand share

69%

Top 20: 99%

Top-5 click share

47%

Top 20: 81%

Open market

27%

Aen Art31%
TANMIT15%
Shuttle Art10%
Soucolor8%
ZSCM QUALITY DECIDES THE FUTURE4%
Taotree4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.1% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top gel pens for adult coloring book search terms

gel pens for coloring618K/yr -17.2%4.3% conv.
colorful gel pens62K/yr -6.6%3.5% conv.
colored pens for journaling26K/yr +3.3%2.5% conv.
neon gel pens29K/yr -7.9%1.8% conv.
colored gel pens set12K/yr +52.8%4.7% conv.
gel pens for adult coloring books19K/yr +16.5%5.1% conv.
bulk gel pens24K/yr +6.2%0.9% conv.
aen art gel pens24K/yr -13.5%4.9% conv.
gel colored pens27K/yr -23.1%3.7% conv.
colored pens gel35K/yr -43.2%4.7% conv.

All search terms

Top gel pens for adult coloring book 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★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Aen Art Gel Pens for Adult Coloring Books 160 Pack Artist Colored Gel Pen with 40% More Ink Black Case. Perfect for Drawing Doodle Crafts Journaling Planner

Aen Art$22.794.8★1,616 rev

Aen Art Gel Pens for Adult Coloring Books 30 Colors Fine Point Gel Marker Pen with 40% More Ink for Drawing Bullet Journaling School Craft Supplies

Aen Art$6.944.7★40,497 rev

TANMIT 36 Colors Gel Pens Set for Adult Coloring Books Colored Gel Marker with 40% More Ink Great for Adult Doodling Scrapbooking Drawing

TANMIT$9.024.7★24,690 rev

Shuttle Art 120 Unique Colors (No Duplicates) Gel Pens Gel Pen Set for Adult Coloring Books Art Markers

Shuttle Art$19.814.5★26,167 rev

Soucolor Glitter Gel Pens for Adult Coloring Books School Art Class Supplies 120 Pack-60 Glitter Pens 60 Refills and Travel Case 40% More Ink Markers Set for Drawing Doodle Journaling Planner Craft

Soucolor$20.304.8★12,568 rev

Newest

by launch date

Colored Gel Pens Set for Coloring 36 Colors Glitter Gel Pens Fine Point Gel Pens Colored Set for Adult Coloring Books Journal Pen Markers for Journaling Supplies Writing Drawing Taking Office Home

DGDUBRB$9.9297 rev

11mo ago

Amazon Basics Retractable Gel Pens Fine Point 0.7mm Smooth Writing Assorted Colors 12-Pack

Amazon Basics$7.435,712 rev

1y ago

FIOVER Colored Pens 6 Pack Colorful Gel Pens Quick-Dry 0.7mm Medium Point for Journaling Note Taking Doodling Aesthetic Office School Supplies Gifts for Women Men(Multiple Colors)

FIOVER$8.293,008 rev

1y ago

Pentonic Glitter Gel Pens 10 Count 10 Assorted Colors 1.0 mm Bold Point Smooth Writing For Journaling Notetaking & Art Projects (1002365)

Pentonic$4.963,130 rev

2y ago

Aen Art Glitter Gel Pens with Case for Adult Coloring Books 100 Color Glitter Pen Set 30% More Ink Neon Glitter Gel Marker for Journaling Crafting Doodling Drawing

Aen Art$19.1521,716 rev

2y ago

What buyers say about gel pens for adult coloring book

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

What buyers love

Color30%

“Amazing Colors”

Writing Experience12%

“Top notch writing”

Value For Money7%

“Great deal”

Quality-Overall7%

“It sounds like the quality is consistent”

Pen/Pencil Quality6%

“Excellent Pens”

Ink Refill3%

“it also comes with refills for the pens”

Soft Feel3%

“Really smooth”

Brightness/Shine/Glow2%

“so bright”

Smudge Resistance2%

“No smearing”

Fun/Entertainment Experience2%

“Fun and Easy to Use”

What buyers complain about

Writing Experience9%

“Kind of scratchy when writing”

Color8%

“Colors are off”

Dry/Empty Ink7%

“The pens were dry”

Ink Leakage7%

“Pens leak like crazy”

Quality-Overall5%

“very cheap quality”

Durability5%

“Do not last”

Functionality-Overall4%

“Don't work well”

Smudge Resistance3%

“Also not smudge proof”

Paper Quality3%

“The yellow ones you cannot see very well on white paper”

Drying Time3%

“Takes a while to dry”

Top return reasons

Ink Refill17%

Functionality-Overall10%

Color9%

Value For Money7%

Advertised Vs Actual Product7%

Writing Experience7%

Dry/Empty Ink6%