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56

number stamps

Worth a look

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 13Growth 19Conversion 46Competition 78Returns 96Price range 69Avg price 61Brand share 91Review moat 40Quality gap 75

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Brand share

Great44%

top-5 brand share — no brand owns this niche

Competition

Great37%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$5.43–$36.38

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

Avg price

Good$13.26

avg listing price — sweet spot $15–$100

Conversion

Okay3.7%

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

Review moat

Okay2,487.84

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-12.8%

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

Market size

Bad$51K

$51K/yr · 103K searches

Competition

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

32 falling

Sellers

104

Top-5 brand share

44%

Open market

52%

  • ExcelMark13%
  • SUUJI9%
  • Trodat9%
  • krastmon8%
  • Bruislard5%
  • PH PandaHall4%

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%3%$2K6%$3K9%$5K12%$6K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 44 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.8% search growth over the last 90 days.
3K2KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Quality-Overall20%

“Nice quality and easy to use”

Advertised Vs Actual Product17%

“As advertised”

Print Quality11%

“Much better size print than others offer”

Ease Of Use9%

“Easy to use”

Value For Money9%

“Awesome price”

Size-Overall6%

“Good size”

Efficiency5%

“Works flawlessly”

Functionality-Overall2%

“should work out just fine for my needs”

Durability2%

“Very durable and just like advertised”

Printing Speed2%

“The stamp is accurate and printing, crisp and clear as advertised”

What buyers complain about

Size-Overall35%

“It was large”

Print Quality14%

“Not clear print”

Quality-Overall8%

“Poor Quality”

Functionality-Overall4%

“it does not work evenly”

Ease Of Use4%

“hard to use”

Value For Money3%

“Was a pretty cheap price I guess you get what you pay for”

Smudge Resistance2%

“the ink smeared”

Advertised Vs Actual Product2%

“I feel like the picture really threw off the product size”

Cartridge/Ink Quality2%

“The ink is also incredibly ugly”

Writing Experience1%

“The writing is a little too close together so when using it can bleed into each other”

Top return reasons

Size-Overall55%
Functionality-Overall11%
Advertised Vs Actual Product7%
Defective Material/Parts4%
Print Quality4%
Value For Money3%
Quality-Overall3%
Ease Of Use2%
Product Condition2%
Material Quality1%