Skip to content
62

underglaze pencil

Worth a look

Shows a thin review moat (54 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 23Growth 44Conversion 65Competition 55Returns 97Price range 87Avg price 95Brand share 44Review moat 97Quality gap 92

Review moat

Incredible54.32

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.6%

return rate — above 6% kills the launch gate

Avg price

Incredible$26.37

avg listing price — sweet spot $15–$100

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Price range

Great$9.31–$63.61

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

Conversion

Good5.8%

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

Competition

Good52%

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

Growth

Okay+14.9%

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

Brand share

Okay79%

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

Market size

Bad$94K

$94K/yr · 61K searches

Competition

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

25

Top-5 brand share

79%

Open market

17%

  • Pasler41%
  • gisgfim15%
  • Chester's Clay9%
  • ZZYFGH8%
  • Affrolling6%
  • EliteSign4%
  • Open — no brand owns it (8 brands, 17%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$5K10%$9K15%$14K20%$19K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 25 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +14.9% search growth over the last 90 days.
2K1KSpike '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Color16%

“Colors are pretty”

Quality-Overall12%

“Great quality pen”

Efficiency7%

“Works very well”

Value For Money7%

“low price”

Writing Experience6%

“Work great for writing under bisque-ware projects to make them easy to identify”

Ease Of Use5%

“It is very convenient”

Paint Quality5%

“Neat Addition to my Clay and Painting Tools”

Strength4%

“Solid”

Material Quality4%

“Good for marking ceramics”

Pen/Pencil Quality3%

“The water-based underglaze pencils are easy to use”

What buyers complain about

Color10%

“the colors didnt come out nice”

Ease Of Use10%

“difficult to use”

Compatibility-Overall8%

“Not for greenware”

Value For Money8%

“too expensive for the small volume in the pen”

Leak-Proof7%

“Leaks”

Functionality-Overall7%

“Didn't work for me”

Hard Feel6%

“Really hard”

Jamming/Clogging4%

“Clogging after first use”

Durability3%

“Broke first time I used it”

Spray/Flow3%

“I have used this three times and it does not flow well and I do much better with a thin paint for brush and under glazes”

Top return reasons

Functionality-Overall28%
Advertised Vs Actual Product12%
Color6%
Defective Material/Parts6%
Quality-Overall5%
Leak-Proof5%
Ink Refill4%
Durability4%
Value For Money4%
Display Colors3%