---
title: "Cardian Rfid Blocking Card — $187K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/cardian-rfid-blocking-card"
last_updated: "2026-08-11T02:21:55.974Z"
locale: en
meta:
description: "Niche score 40/100 · $187K/yr market · 123K searches/yr · $16.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $187K/yr market · 123K searches/yr · $16.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cardian Rfid Blocking Card — $187K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.5%**
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**
**Okay****3,107**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-11.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****92%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/cardian-rfid-blocking-card/trend)
## **Top cardian rfid blocking card search terms**
- **cardian rfid blocking card**75K/yr-8.8%9.3% conv. - **cardian safecard-3 pack**23K/yr-7.5%9.8% conv. - **cardian safecard**9K/yr-29.6%9.3% conv. - **cardian the safe card**3K/yr+70.8%7.3% conv. - **cardian rfid blocking cards**2K/yr-13.5%5.9% conv. - **cardian safe card**2K/yr-10.4%10.0% conv. - **cardian credit card protector**4K/yr-83.4%4.9% conv. - **cardian rfid card**2K/yr-40.0%8.6% conv. - **cardin safe card rfid blocking card**3K/yr-98.4%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/cardian-rfid-blocking-card/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Cardian RFID Blocking Cards Set 3 Credit Card Protector for Wallets Passport Shield & NFC Blocking Device | Anti-Skimming Protection for Debit ID & EMF Cards | Travel Accessories for Men and Women**CARDIAN**$38.59**4.5★574 rev](https://www.amazon.com/dp/B0F5QR2PYV) [2**SaiTech IT 5 Pack RFID Blocking Card One Card Protects Entire Wallet Purse NFC Contactless Bank Debit Credit Card Protector ID ATM Guard Card Blocker(Black)**SaiTech IT**$9.81**4.7★10,031 rev](https://www.amazon.com/dp/B09K78VB2J) [3**Magriffin Protective RFID Blocking Card: 3-Pcs 99.9% Shielding (13.56mhz) Stops Contactless Payment Theft - One Card Protects Your All Cards in Wallet - Ultra Slim (0.29in Teal & Glitter Gray)**Magriffin**$19.14**4.5★70 rev](https://www.amazon.com/dp/B0GLY6R1KJ) [4**KF-Premium RFID Blocking Card (2 Pack) - 0.9mm Ultra Thin Debit & Credit Card Protector - One Card Shields Your Whole Wallet - Anti Fraud Contactless NFC Wallet Defender for Travel & Passport**KF-Premium**$13.00**4.7★1,045 rev](https://www.amazon.com/dp/B09N6YYZ31) [5**SaiTech IT 10 PK RFID Blocking Cards Protect Your Entire Wallet Purse and Cards from NFC Contactless Theft Wallet for Men & Women - Orange Black (10 Pack SL)**SaiTech IT**$18.20**4.6★1,035 rev](https://www.amazon.com/dp/B0F1N49G6N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magriffin Protective RFID Blocking Card: 3-Pcs 99.9% Shielding (13.56mhz) Stops Contactless Payment Theft - One Card Protects Your All Cards in Wallet - Ultra Slim (0.29in Teal & Glitter Gray)**Magriffin**$19.14**70 rev5mo ago](https://www.amazon.com/dp/B0GLY6R1KJ) [**Cardian RFID Blocking Cards Set 3 Credit Card Protector for Wallets Passport Shield & NFC Blocking Device | Anti-Skimming Protection for Debit ID & EMF Cards | Travel Accessories for Men and Women**CARDIAN**$38.59**574 rev1y ago](https://www.amazon.com/dp/B0F5QR2PYV) [**SaiTech IT 5 Pack RFID Blocking Card Protector for Entire Wallet Purse and Debit Credit Cards from NFC Contactless Theft for Men & Women - PL Golden**SaiTech IT**$10.02**1,035 rev1y ago](https://www.amazon.com/dp/B0F43Y2RCJ) [**SaiTech IT 10 PK RFID Blocking Cards Protect Your Entire Wallet Purse and Cards from NFC Contactless Theft Wallet for Men & Women - Orange Black (10 Pack SL)**SaiTech IT**$18.20**1,035 rev1y ago](https://www.amazon.com/dp/B0F1N49G6N) [**SaiTech IT 5 Pack RFID Blocking Card Protector for Entire Wallet Purse and Debit Credit Cards from NFC Contactless Theft for Men & Women - Orange Black**SaiTech IT**$10.13**1,035 rev1y ago](https://www.amazon.com/dp/B0F1N1LBRD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SaiTech IT 10 PK RFID Blocking Cards Protect Your Entire Wallet Purse and Cards from NFC Contactless Theft Wallet for Men & Women - Orange Black (10 Pack SL)**SaiTech IT**$18.20**4.6★**▲ 168%**](https://www.amazon.com/dp/B0F1N49G6N) [**Magriffin Protective RFID Blocking Card: 3-Pcs 99.9% Shielding (13.56mhz) Stops Contactless Payment Theft - One Card Protects Your All Cards in Wallet - Ultra Slim (0.29in Teal & Glitter Gray)**Magriffin**$19.14**4.5★**▲ 153%**](https://www.amazon.com/dp/B0GLY6R1KJ) [**KF-Premium RFID Blocking Card (2 Pack) - 0.9mm Ultra Thin Debit & Credit Card Protector - One Card Shields Your Whole Wallet - Anti Fraud Contactless NFC Wallet Defender for Travel & Passport**KF-Premium**$13.00**4.7★**▲ 74%**](https://www.amazon.com/dp/B09N6YYZ31) [**SaiTech IT 5 Pack RFID Blocking Card Protector for Entire Wallet Purse and Debit Credit Cards from NFC Contactless Theft for Men & Women - Orange Black**SaiTech IT**$10.13**4.6★**— 1%**](https://www.amazon.com/dp/B0F1N1LBRD) [**SaiTech IT 5 Pack RFID Blocking Card One Card Protects Entire Wallet Purse NFC Contactless Bank Debit Credit Card Protector ID ATM Guard Card Blocker(Black)**SaiTech IT**$9.81**4.7★**— 8%**](https://www.amazon.com/dp/B09K78VB2J)
**~~View all trending →~~**
## **What buyers say about cardian rfid blocking card**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**18%
*“Fits nicely in my wallet”*
**Advertised Vs Actual Product**17%
*“As advertised”*
**Value For Money**15%
*“Money well spent”*
**Quality-Overall**14%
*“good reviews and gives me some peace of mind with my upcoming travel”*
**Ease Of Use**9%
*“Easy to use”*
**Functionality-Overall**5%
*“Had no issues, passing it works”*
**Locking Mechanism**4%
*“Great Security for your wallet or bag”*
**Durability**3%
*“Seem fairly durable”*
**Thickness**3%
*“thickness as a standard credit card”*
**Pockets/Compartments**3%
*“This RFID blocking card is a simple addition to my wallet that gives me extra peace of mind”*
### **What buyers complain about **
**Functionality-Overall**40%
*“These cards do not work”*
**Thickness**9%
*“Card is thin”*
**Size-Overall**9%
*“A bit too small for some cards”*
**Value For Money**7%
*“A little expensive comparing others that sell the same product”*
**Locking Mechanism**4%
*“Bad blocking”*
**Hard Feel**4%
*“their hard plastic”*
**Advertised Vs Actual Product**4%
*“The dimensions in the description are a bit off”*
**Durability**3%
*“they quickly fall apart with usage”*
**Ethical Trade/Fair Trade**3%
*“Cardian appears to be a scam”*
**Instructions/User Manual/Troubleshooting**1%
*“no instructions of any kind”*
### **Top return reasons **
**Functionality-Overall**26%
**Advertised Vs Actual Product**19%
**Defective Material/Parts**16%
**Size-Overall**11%
**Value For Money**7%
**Quality-Overall**3%
**Instructions/User Manual/Troubleshooting**2%
**Weight Heavy**2%
**Wrong Dimensions**1%
**Product Condition**1%
## **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.
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