Multi-stage dual tube handle system with retractable top handle. 360-Degree dual spin wheels. Internal cross straps and zippered divider support organized contents. External integrated USB port for charging accessibility with power bank. TSA-approved 3-digit combo lock. Lining made from Recyclex fabric - 100% post consumer recycled PET plastic bottles. Hardside shell made of layers of woven Polypropylene. Convenient side handle. Power bank NOT included. Internal dimensions: 19" x 15.1" x 7.4". Overall dimensions: 21.65" x 15.75" x 7.9".