Protect your goods from would-be data thieves! this trifold version from Big Skinny is lined with RFID blocking material. Our machine-washable trifold folds up compactly, making it a terrific front pocket wallet. Full-sized billfold area [which accommodates international currency] and card pockets are lined with non-slip interior to prevent cards/cash from falling out. 4 extra-wide pockets, 2 over-sized pockets and 1 ID pocket hold about 4 plastic cards each. Capacity: about 20+ plastic cards plus cash.