The SUBTERRA Carry-On by THULE is one sleek and durable 2-wheel bag. It’s built with water-resistant 800D nylon and features a rugged exoskeleton and molded polycarbonate back panel. Inside, its divided main compartment offers 36-liters of clean-from-dirty storage. A ratcheting compression panel maximizes packing space and minimizes clothing wrinkles. Oversized wheels ensure smooth gliding on bumpy European sidewalks. The V-Tubing telescoping handles effortlessly tuck away. A piggyback strap attachment loop allows additional packs to be hooked on. Zippered mesh pockets grant quick access to your keys, wallet, and travel essentials. The built-in ID card slot gives simple bag identification. The SUBTERRA 55cm/22in bag complies with the carry-on requirements of most airlines.