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number stencils

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Prices mostly outside the sweet spot ($5.21–$15.53) — this niche doesn't clear our bar today.

Market size 14Growth 58Conversion 68Competition 40Returns 71Price range 5Avg price 24Brand share 32Review moat 73Quality gap 37

Review moat

Good598.45

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.2%

return rate — above 6% kills the launch gate

Conversion

Good6.2%

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

Growth

Good+32.3%

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

Competition

Okay61%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

Avg price

Bad$8.59

avg listing price — sweet spot $15–$100

Market size

Bad$56K

$56K/yr · 106K searches

Price range

Bad$5.21–$15.53

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

Competition

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

14

Top-5 brand share

86%

Open market

11%

  • Denylo pro35%
  • Nuesaurd26%
  • HZMM14%
  • REOLAN7%
  • YEAJON4%
  • Aleks Melnyk3%
  • Open — no brand owns it (6 brands, 11%)

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%$3K10%$6K15%$8K20%$11K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +32.3% search growth over the last 90 days.
2K2KSpike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Reviews

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

What buyers love

Quality-Overall20%

“the kit feels fair for the variety”

Size-Overall16%

“Size is perfect”

Value For Money12%

“good value”

Ease Of Use8%

“Easy to use”

Strength8%

“sturdy enough to stay flat”

Ease Of Cleaning7%

“After multiple uses with spray paint and markers, theyve held up well and clean easily”

Advertised Vs Actual Product4%

“Accurate description”

Durability4%

“They seem very durable”

Recycle/Reuse3%

“They're reusable”

Assembly/Installation2%

“Easy installation”

What buyers complain about

Thickness23%

“Light weight thin plastic”

Size-Overall15%

“Incorrect Sizing”

Flexibility8%

“They were a little hard to bend”

Material Quality7%

“My only complaint is that the material isnt clear”

Thin5%

“Very thin”

Erasability5%

“Not good with dry erase markers”

Advertised Vs Actual Product5%

“Misinformation”

Spray/Flow3%

“Did not work great using spray paint - even though it was an inverted spray can”

Quality-Overall3%

“Poor Quality”

Ease Of Cleaning3%

“Thick M, W, thin E, not clean”

Top return reasons

Size-Overall76%
Advertised Vs Actual Product6%
Value For Money3%
Functionality-Overall2%
Strength2%
Thin2%
Defective Material/Parts1%
Quality-Overall1%
Thickness1%
Product Condition1%