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Anti-skimming card. Card-type, ready to use as is, so it won't bulk up. Security.

★★★★★ 4.5 rating · 21 reviews · 207+ sold
$13.07 $16.9909996032715 30% OFF
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Product Details

Put the Devil's Shield in your wallet. RAIDBLOCK provides impenetrable defense against skimming for all your cards.

Skimming Prevention Card with e-Field Technology | RFID/NFC Compatible | Protects All Cards with One

Protects multiple cards with just one
Simply place it inside your wallet
No batteries required, maintenance-free
Reliable design for long-term use
Peace of mind for international travel
Protection against skimming at airports and hotels
Compatible with all RFID/NFC cards
Credit cards, IC cards, passports, and more
Equipped with e-Field technology
Proven to block over 100,000 times
Ultra-thin design
Slim storage in card cases and wallets

The radio wave defense zone that expands around RAIDBLOCK guards your cards from unauthorized scans.

Design Colors

Originally, we only had the Asahi flag design. However, when I told acquaintances I met overseas about this, one of them suggested that a simple design would also be good. Based on that one comment, we created a simple design as well.

1: Asahi Flag Ver. (Red)
2: Simple Ver. (Black)

*Please let us know which design you prefer before or after purchasing.

Visual Guide with a 3-STEP Structure

STEP 1: Place RAIDBLOCK in your wallet

STEP 2: Position it near your other cards (remove the shield layer)

STEP 3: Skimming prevention starts immediately!

Resolve your doubts with our Q&A and enhance your post-purchase peace of mind.

Q1: How many RAIDBLOCKs do I need?

A: One is sufficient. Simply place one in your wallet or card case, and it will block all surrounding cards.

Q2: What types of cards does RAIDBLOCK support?

A: It is compatible with all contactless IC cards that use RFID and NFC (credit cards, electronic money, transportation IC cards, passports, employee IDs, etc.).

Q3: How long does the effect last?

A: RAIDBLOCK has a battery-free physical blocking structure (approximately 100,000 blocks), allowing for long-term use of 3-5 years or more.

Q4: Is it okay to use it together with a metal wallet or other anti-skimming products?

A: There are no issues. However, it is most effective when RAIDBLOCK is placed close to your other cards.


Skimming Prevention Card
Security
Crime Prevention
Skimming
Overseas
International Travel

Category
Crime Prevention / Security Supplies
Condition
New/unused
Shipping
Included in price (by seller)
From
Okayama

Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.

Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.

Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.

Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

Customer Reviews (21)

4.5
★★★★★
Based on 326 reviews
5 stars
90%
4 stars
10%
3 stars
0%
2 stars
0%
1 star
0%
M
User2188140
★★★★★
2026-11-06

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