RUGGED DURABLE HARDSHELL: water-resistant and impact-absorbing hard shell, keeping your belongings protected through rough handling and rainy travels. A 2-inch expansion provides extra packing space for all your travel essentials. MULTI-STAGE ALUMINUM HANDLE: Retractable handle ensures smooth maneuverability, while the top and side grab handles make lifting and carrying effortless. EASY PORTABILITY: 360-degree spinner wheels let you glide your luggage upright, reducing strain on your arms while ensuring smooth, effortless movement across any terrain. ON-THE-GO CHARGING: Built-in USB port to conveniently change anytime (Carry-on only, powerbank not included). SPACE SAVING INTERIOR: Fully lined to protect belongings, featuring a U-shaped zippered divider with an additional pocket for organized clothing, plus crosstie straps to prevent items from shifting.