Color: Black, Dimensions: 9.5 x 6.5 x 1.3 cm. RFID Blocking Material: Most of cards are using RFID technology(Radio Frequency Identification), but,which become more risky in nowadays, thieves can scan your identity information by using a RFID reader secretly when you are in stores, airports, or crowded streets. This aluminum wallet can perfectly block unwanted RFID scanners, keep your cards safe, best for travel. Imported Slim and Lightweight:Card Wallet has 6 card slots. Perfect for people who hates bulky traditional wallets and has limited pocket space Polished Sturdy Metal: Made of quality aluminum and stainless steel materials from top manufacturer, the matt finish of the card holder give itself a stylish robust look, very sturdy for daily use! 6 Card Slots:Stores 6 Debit/Credit Bank ATM cards. Easy click button for opening and closing,Latches safely and securely when not in use. Polished Stainless design looks matt. Please note: This card holder is only for bank credit/debit cards. Visiting/Business cards will not fit inside it so, if you looking for only bank cards then its perfect card holder to buy for you.