Aluminum Foil Paper Shielding RFID Blocking Sleeves for Credit Cards and Passports Anti RFID scanning card sets with special anti magnetic shielding material can prevent interference, signal receiving, RFID card for the protection of diamagnetic, intelligent transportation card, IC card, IC debit card etc. Size: 89*58mm for credit cards, 140*110mm for Passports or customized. Material: Copper plate paper Outside+ Aluminum Foil Paper + PET + Copper plate paper(Inside) Process: four-color printing Function: RFID anti scan, NFC anti write, RFID anti information leakage, NFC anti payment, RFID sensor Because the Aluminum Foil Paper Shielding RFID Blocking Sleeve is a customized product, for quantity within 10,000 pcs, the lead time is 10 working days, for quantity within 100,000 pcs, the lead time is 25 working days, for quantity within 300,000 pcs, the lead time is 30 working days. (According to sample.)