The Derrick RFID Blocking Bifold Flip ID has plenty of space for cash, credit cards and ID. It fits in your back pocket and keeps your money and important cards organized and easily accessible. Exterior Details: leather; bifold with flip ID; imported; no closure Interior Details: 1 bill compartment, 2 ID windows, 2 slide pockets, 6 credit card slots; polyester lining Measurements: 4.5"L x 0.75"W x 3.5"H RFID Blocking Lining: helps protect credit/debit cards from unwarranted scanning