In today's digital world, protecting your cards from electronic pickpocketing is more important than ever, and these PATIKIL RFID blocking sleeves are your first line of defense! You get 10 colorful sleeves in metallic yellow, blue, green, plus laser silver and gold - two of each color so you can color-code your cards or share with family. The ultra-thin design measures just 92x62x0.3mm (about 3.62x2.44x0.012 inches), making them slim enough to fit in your wallet without adding bulk. The aluminum and plastic construction provides reliable RFID blocking while maintaining that rust-resistant durability. What's really clever is how they work - the material containing aluminum blocks RFID signals from being scanned without your knowledge, but your card's signal isn't lost when you actually want to use it for legitimate transactions. These sleeves work with credit cards, ID cards, ATM cards, passports, driver's licenses, and any other RFID-enabled contactless cards you carry daily. The packaging is convenient with each sleeve ready to use immediately. Just slide your card in and you're protected from electronic theft attempts. Seriously, in an age where digital security matters more than ever, these colorful sleeves provide peace of mind without sacrificing style or convenience.