Sinco twofold card holder with money clip Sinco provides the Twofold Card Holder with Money Clip, crafted with convenience and style in mind. Made from brown oil wax leather, these accessories offer a sophisticated yet practical solution for carrying your essentials. Brown oil wax leather money metal clip card holder. Description Made from brown oil wax leather, the Twofold Money Clip Wallet offers a sophisticated yet practical solution for carrying your essentials. The ultra-thin design ensures they can easily fit into pockets without losing their shape, making them perfect for on-the-go use.