This billfold style wallet is as slim as two credit cards and light as three sheets of 8?â?Æ-11 paper. With two hidden card pockets, a cash pocket and two ID windows, it offers a compact yet practical way to keep your valuables organized. Flowfold wallets look different because they are different. They are designed to be slim and thin so you can carry them in your front pocket. Made from state of the art durable and lightweight outdoor fabrics, these wallets outperform other wallets made from conventional materials like nylon and leather.