PORTER Union Rucksack Bag Description: The Union is a work-inspired bag, modeled after a carpenter's tool bag. This is a 2-way rucksack and tote bag from the user-friendly PORTER brand. A4 size documents fit both vertically and horizontally. The interior lining is PVC, making it resistant to stains and easy to clean, even if you put wet items inside. Unisex design. Color: Black Model Name: Union Yoshida Kaban Color: Black系 (Black-based) Model Name: Union