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cardian rfid blocking card

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 37Growth 19Conversion 85Competition 7Returns 97Price range 80Avg price 78Brand share 0Review moat 34Quality gap 24

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Conversion

Great9.5%

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

Price range

Great$9.73–$38.59

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

Avg price

Great$16.08

avg listing price — sweet spot $15–$100

Market size

Okay$187K

$187K/yr · 123K searches

Review moat

Okay3,107

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-11.8%

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

Competition

Bad92%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, cardian rfid blocking card is a $187K/yr Amazon United States market (123K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

cardian rfid blocking card market data

Units sold / yr
13K–15K
avg 1,250–1,500/product
Revenue / yr
$201K–$241K
units × avg price
Conversion rate
9.5%
Avg BSR
#29
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
6.2%
Avg brand age
41 months
Avg seller age
188 days

Competition & brand share

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

0%

  • SaiTech IT43%
  • CARDIAN33%
  • Magriffin19%
  • KF-Premium6%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 37 weeks — -11.8% search growth over the last 90 days.
5K3KHoliday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

Top cardian rfid blocking card search terms

  • cardian rfid blocking card75K/yr
  • cardian safecard-3 pack23K/yr
  • cardian safecard9K/yr
  • cardian the safe card3K/yr
  • cardian rfid blocking cards2K/yr
  • cardian safe card2K/yr
  • cardian credit card protector4K/yr
  • cardian rfid card2K/yr
  • cardin safe card rfid blocking card3K/yr
All search terms

Top cardian rfid blocking card 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.

0%10%$19K20%$37K30%$56K40%$75K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about cardian rfid blocking card

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

What buyers love

Size-Overall18%

“Fits nicely in my wallet”

Advertised Vs Actual Product17%

“As advertised”

Value For Money15%

“Money well spent”

Quality-Overall14%

“good reviews and gives me some peace of mind with my upcoming travel”

Ease Of Use9%

“Easy to use”

Functionality-Overall5%

“Had no issues, passing it works”

Locking Mechanism4%

“Great Security for your wallet or bag”

Durability3%

“Seem fairly durable”

Thickness3%

“thickness as a standard credit card”

Pockets/Compartments3%

“This RFID blocking card is a simple addition to my wallet that gives me extra peace of mind”

What buyers complain about

Functionality-Overall40%

“These cards do not work”

Thickness9%

“Card is thin”

Size-Overall9%

“A bit too small for some cards”

Value For Money7%

“A little expensive comparing others that sell the same product”

Locking Mechanism4%

“Bad blocking”

Hard Feel4%

“their hard plastic”

Advertised Vs Actual Product4%

“The dimensions in the description are a bit off”

Durability3%

“they quickly fall apart with usage”

Ethical Trade/Fair Trade3%

“Cardian appears to be a scam”

Instructions/User Manual/Troubleshooting1%

“no instructions of any kind”

Top return reasons

Functionality-Overall26%
Advertised Vs Actual Product19%
Defective Material/Parts16%
Size-Overall11%
Value For Money7%
Quality-Overall3%
Instructions/User Manual/Troubleshooting2%
Weight Heavy2%
Wrong Dimensions1%
Product Condition1%

Common questions

Is cardian rfid blocking card profitable to sell on Amazon United States?
The niche generates $187K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.8%. Flapen's verdict: Skip it (40/100).
How competitive is the cardian rfid blocking card niche?
4 brands and 6 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in cardian rfid blocking card?
Top complaints mined from reviews: Functionality-Overall, Thickness, Size-Overall. The return rate is 0.7%.
What does it cost to enter the cardian rfid blocking card niche?
Listings span $9.73–$38.59; the average listing price is $16.08 (sweet spot $15–$100). The average incumbent carries 3,107 reviews — the moat a new listing must climb.