If you want peace of mind from identity thieves, but without the excess bulk and weight, the RFID 25 Blocking Credit Card Sleeve from Pacsafe is the compact choice.Just add your cards to this sleeve and pop it in your wallet, and it will help block your information from being stolen. The sleeve is made from reinforced paper which will help prevent any rips or tears when in use. Grab an RFID 25 Blocking Credit Card Sleeve from Pacsafe for a light and compact way to protect your credit or debit cards from identity thieves.RFID blocking compositionReinforced paper to prevent tears and ripsSlim and lightweightApproved for use by the US GovernmentExternal Dimensions:8.7L x 5.8W x 0.1H cmPacked Dimensions:8.7L x 5.8W x 0.1H cmWeight:0.001 KgMaterial: Reinforced PaperRFID Protection:YesWaterproof:NoWarranty:5 YearPS10360100688334009137