The WoodenCrew™ Foldable Backpack folds to the size of a coffee cup and lives in your pocket until you need it. Day trip, souvenir overflow, excursion without your main luggage — open it in seconds and you have a full 23L backpack. Always There When You Need It
Folds to 16×7×7cm. That's small enough for a jacket pocket, suitcase side slot