MEMO folds a card holder, a pen, and a six-inch dry-erase whiteboard into a single piece of machined 6063 aluminum, thin enough to sit in a pocket like a normal wallet. Slide out up to six cards from either side, then flip it open to a blank writing surface for a grocery list, a quick sketch, or directions when a phone isn't handy.

The whole thing doubles as an RFID-blocking wallet, and a magnetic closure snaps it shut without disturbing whatever's written inside — nothing gets erased just from carrying it around.