Color: White Material: Aluminum, Plastic Size: 92*62*0.3mm/3.62 x 2.44 x 0.012 inch (L x W x T) Packing List: 20Pcs x RFID Cards Sleeves
Advantage: The product is made of aluminum material, good corrosion resistant, which can protect the card better. Small size, can easily fit in your pocket.
Instruction: It is easy to use. Just put your cards in the card sleeves and the card signal would be lost when you using it.
The RFID blocking card sleeves are mainly for protecting cards from anti-degaussing and damage. Widely used in all kinds of bank cards, ID cards, driver Identification cards, and other RFID-enabled contactless Cards.