ITEM ONE is a calfskin, flatpack, modular, transformable and adjustable bag, with timeless essential look and feel. It's focusing on various consumer groups, from travelers with large needs to minimalist individuals, who see multiple levels of value in a single fashion accessory. It's an essential bag, matching every occasion and style one could encounter in daily life by transforming and rearranging the modular parts. Constructor Studio has made each separate Unit attachable to either the inside or the outside of the bag.