Durable Construction: Made from a hard-sided polycarbonate shell, offering superior protection against impact during travel. Smooth Mobility: Features double spinner wheels for easy 360-degree maneuverability, allowing seamless navigation through airports and crowded spaces. Expandable Design: Offers extra packing capacity with an expandable feature, perfect for last-minute items or souvenirs. TSA-Approved Lock: Built-in TSA lock provides peace of mind with enhanced security, allowing airport staff to inspect luggage without damaging the lock. Compact Size: 21-inch carry-on size fits most airline overhead compartments, making it ideal for short trips or weekend getaways.