The Dango D01 Dapper Pen Wallet Industrial Bifold is truly a multifunctional piece of everyday carry kit. Not just a wallet, this industrial piece also has an integrated pen. The anodized aluminum pen fits perfectly in the slot so you always keep it with you. But a pen’s worthless without something to write on, which is why this durable wallet has an integrated pad of paper, too. Whether you like to write things down to remember them better or you’re a frequent doodler, this bifold wallet has what you need. Plus, it still manages to maintain a fairly slim profile, which is impressive because this wallet also holds 16 cards. Handmade in the United States, this is both a water-resistant and RFID-blocking wallet. As if all this isn’t enough, this wallet also has a built-in bottle opener.