Is number stamps profitable to sell on Amazon United States?

The niche generates $51K/yr across 44 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -12.8%. Flapen's verdict: Worth a look (56/100).

How competitive is the number stamps niche?

32 brands and 104 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 44% of demand.

What do buyers complain about in number stamps?

Top complaints mined from reviews: Size-Overall, Print Quality, Quality-Overall. The return rate is 0.8%.

When does demand for number stamps peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the number stamps niche?

Listings span $5.43–$36.38; the average listing price is $13.26 (sweet spot $15–$100). The average incumbent carries 2,488 reviews — the moat a new listing must climb.

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.

Returns

Incredible0.8%

return rate — above 5% 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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, number stamps is a $51K/yr Amazon United States market (103K searches/yr). The top 5 brands hold 44% of demand. Verdict: Worth a look — 56/100.

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

number stamps market data

Units sold / yr: 4K–5K; avg 0–100/product
Revenue / yr: $53K–$66K; units × avg price
Conversion rate: 3.7%
Avg BSR: #337
Page quality: 0%
Prime: 98%
Sponsored: 93%
Out of stock: 5.3%
Avg brand age: 49 months
Avg seller age: 170 days

Competition & brand share

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%

Top 20: 88%

Top-5 click share

37%

Top 20: 75%

Open market

52%

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

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top number stamps search terms

number stamps56K/yr -13.3%2.5% conv.
number stamp26K/yr -3.6%3.2% conv.
number stamper9K/yr -33.6%3.9% conv.
number stamps 0-97K/yr -9.0%2.7% conv.
small number stamps4K/yr -12.8%1.5% conv.

All search terms

Top number stamps 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

ExcelMark Self-Inking Rubber 6 Digit Number Stamp Black Ink

ExcelMark$12.714.2★47 rev

Rubber Stamp Letters Numbers and Alphabets 36 Pcs Small Wooden Rubber Stamps for Card Making DIY Craft Scrapbooking Supplie etc.

krastmon$8.994.5★322 rev

6 Digit Number Roller Stamps - Small Changeable Price Date Stamp Personalized Number Symbol Rolling Wheel Stamp Multi-Function DIY Rubber Scrapbooking Roller Stationery Office Business Egg Year Stamps

SUUJI$9.934.3★192 rev

Trodat 5558 Professional Manual Numberer Stamp 8 Digits Self-Inking 3/16 (5 mm) Characters Black Ink

Trodat$23.394.2★426 rev

Number Stamps 10 PCS Wooden Number Stamps 0-9 Multipurpose Number-Stamps for Card Making Crafting Scrapbooking Calendar

Bruislard$7.064.0★1 rev

Newest

by launch date

Number Stamps 10 PCS Wooden Number Stamps 0-9 Multipurpose Number-Stamps for Card Making Crafting Scrapbooking Calendar

Bruislard$7.061 rev

6mo ago

ExcelMark Self-Inking Rubber 6 Digit Number Stamp Black Ink

ExcelMark$12.7147 rev

9mo ago

PH PandaHall 44Pcs Month Wooden Rubber Stamps Set 0~31 Numbers Decorative Retro Stamp Set for Journaling DIY Craft Letters Diary Birthday Card Arts and Scrapbooking Party Gift Decor

PH PandaHall$13.413 rev

9mo ago

Opvixi 42 Pcs Letter Stamps Rubber Stamps Alphabet Stamps Wooden Stamps Number Alphabet Letter Symbol Set for DIY Crafting Scrapbooking Supplies Card Making

Opvixi$8.63166 rev

11mo ago

PH PandaHall Retro Numbers Clear Stamp for Card Making Background Board Rubber Stamp Classic Stamp Vintage Transparent Seal Stamps for DIY Scrapbooking Decoration Journal Postcard Gift Tags

PH PandaHall$5.8020 rev

1y ago

What buyers say about number stamps

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%

Common questions

Is number stamps profitable to sell on Amazon United States?: The niche generates $51K/yr across 44 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -12.8%. Flapen's verdict: Worth a look (56/100).
How competitive is the number stamps niche?: 32 brands and 104 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 44% of demand.
What do buyers complain about in number stamps?: Top complaints mined from reviews: Size-Overall, Print Quality, Quality-Overall. The return rate is 0.8%.
When does demand for number stamps peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the number stamps niche?: Listings span $5.43–$36.38; the average listing price is $13.26 (sweet spot $15–$100). The average incumbent carries 2,488 reviews — the moat a new listing must climb.