Alpine Rivers RFID Blocking Sleeves 18 Pack - 7 Top-Load & 7 Side-Load Card Protectors, 4 Passport Holders | Blocks 13.56 MHz RFID & NFC | Color-Coded & Numbered | Slim Wallet Fit

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18-piece RFID and NFC blocking sleeve set - 14 numbered, color-coded card sleeves (7 top-load and 7 side-load) and 4 numbered passport holder sleeves. Unlike single blocking cards that sit loosely beside your cards, each sleeve fully wraps your card on all sides, blocking 13.56 MHz contactless signals from every direction. Four-layer shielding on every sleeve. One purchase covers your cards, your family's cards, and all your passports. Designed for daily use, not just travel - keep your cards protected at tap-to-pay terminals, grocery stores, gas stations, and on your daily commute. All 18 sleeves are color-coded and pre-numbered - card sleeves numbered 1 to 14, passport sleeves numbered 1 to 4. Assign a color to each family member or match colors to card types - credit, debit, transit, driver's license. Perfect for family travel prep - lay out the set, let everyone pick their color, and you're organized before you leave. Built for travel - slim enough to pass through airport security without removing from your wallet. Two card formats included: 7 side-load for fast one-handed access at payment terminals and hotel check-in, and 7 top-load for slim wallet storage. The four passport sleeves protect against RFID scans at border crossings, cruise ship check-ins, and hotel safe deposits. Passes through airport security and TSA PreCheck lanes without removal. Remove the card from the sleeve to pay as normal - no interference with chip-and-PIN or contactless transactions. Verified RFID and NFC blocking - four-layer shielding independently tested against 13.56 MHz contactless signals, the frequency used by all major US credit cards, debit cards, transit cards, and modern passports. Each sleeve creates a complete Faraday cage enclosure around your individual card - fully sealed shielding that a single blocking card placed beside your cards cannot match. Blocking cards use a jamming chip with a limited range and can leave cards exposed on multiple sides. Trusted by frequent flyers and family travelers worldwide. Durable and wallet-ready - heavy-duty composite material built to last through years of daily use. Tear resistant and moisture resistant. Credit card sleeves fit all standard US cards. Passport sleeves fit all US booklet passports, including larger 52-page passports with extra pages. Card sleeves are color-coded and numbered 1-14. Passport sleeves are numbered 1-4 - assign one to each family member. Slim enough for bifold, trifold, front pocket, and minimalist wallets without adding bulk.