YUECIMIE Slim Aluminum Wallet With Elasticity Back Pouch ID Credit Card Holder Mini RFID Wallet Automatic Pop up Bank Card Case High capacity:coins, 2 ~ 6 banknotes, 4 ~ 8 credit cards Automatic Pop up Slim:Small size, Large capacity Elasticity Back Pouch:Hold Cash,Coin,Bank Cards Specifications: Product name:Aluminum Card Case Weight:60g Size:9.5*6.2cm Color:Red,Silver,Black,Blue,Gray,Gold 1.RFID BLOCKING. Blocking frequency 10MHz to 3000MHz, including 13.56 MHz in which our credit cards, debit cards and ID cards operate. Be safe and protected from electronic pickpocketing and all RFID scanners and readers. Keep the worry away our lightweight and dependable wallets provide peace of mind while traveling, shopping, and running everyday errands. 2.Avoid RFID skimming by using this every day to block your cards' RFID signals against electronic pickpocketing. Metallic CN(Origin) Unisex Aluminum + Lycra + Plastic Solid 9.5cm Card ID Holders Fashion 6.2cm No zipper Box Credit Card 2 ~ 6 banknotes, 4 ~ 8 credit cards Coin Pocket,Note Compartment,Card Holder