X Wallet AluminiumX wallet is made of durable aluminum and rubber. Rubber (material or silicon) link two plates between which you can put credit cards, bills, business cards. In addition, cards and bills can be put between the rubber and the plate. from 1 to 10 cards a few notes hard, scratch resistant aluminum RFID blocking wallet 2 rubbers silicon or material different colours discrete laser cut engraving dimensions: 92 mm x 63 mm 3. 62 inch x 2. 48 inch weight: 0.