Adafruit Silver RFID Blocking Card Sleeves (10-pack)

These Silvery Horizontal RFID Blocking Card Sleeves effectively safeguard your 13.56 MHz RFID-enabled cards like credit cards, bank cards, and photo IDs from unauthorized access. Offering superior protection compared to makeshift solutions, they ensure peace of mind against identity theft.

Each sleeve measures 65mm x 90mm, fitting seamlessly into your wallet or purse without added bulk. Supplied in a practical pack of ten, you'll have extras to share or replace as needed. Note they are not designed for 125kHz door access cards.

For further exploration of RFID and NFC applications, visit the Adafruit Learning System.