【5 Piece Luggage Set】Cosbarn 5 piece luggage sets include a 28-inch large suitcase, 24-inch medium checked luggage, 20-inch carry on luggage, an extended duffel bag, and a toiletry bag. Both the duffel bag and toiletry bag are made from mild, water-resistant polyester fabric. The duffel bag features a back sleeve for easy attachment to the retractable luggage handle and has multiple functional pockets to meet different travel needs. 【TSA Lock & YKK Zipper】Cosbarn luggage set is equipped with a mounted TSA-approved lock and a fully-lined interior divider with organizational pockets, keeping your belongings secure and organized. Reinforced and upgraded YKK zippers prevent splitting, providing durability and peace of mind during your travels. 【High-Quality ABS Material】Made from high-quality, lightweight ABS material, the Cosbarn suitcase set adds a protective layer to the hard shell, making it more impact-resistant. This durable construction ensures your luggage withstands the rigors of travel while remaining easy to handle. 【8 Smooth Rolling Silent Spinner Wheels】Cosbarn suitcase sets come with 8 high flat and straight shock-absorbing spinner wheels, ensuring quieter and smoother travel. Enjoy 360° free rotation and superior directional control for perfect maneuverability on any surface. 【All-Aluminum Telescopic Handle】Cosbarn hard shell suitcases feature an ergonomic 3-stage retractable trolley with TPU handles on the top and sides, making them versatile for various travel occasions. The sturdy and comfortable handle system ensures ease of use and efficient handling in crowded places.