The LAYER series uses water-repellent nylon twill fabric. The matching black name tag and metal fittings are the highlights. A large-capacity 30 liter two layer Boston bag that is convenient for sorting luggage. You can also remove the zipper on the internal divider to switch to a single-layer structure. When fastened with a hook, the divider doubles as a document holder. Additionally, it includes a carry-on tape, making it perfect for travel and business trips.