This set includes a travel bag, a 20-inch boardable suitcase, a 24-inch medium checked suitcase, and a 29-inch large checked suitcase that nest together for easy mobility. With a variety of models and generous capacity, this set meets your needs for different journeys.Crafted with ABS+PC hard shell material, This material combination makes the luggage stronger, lighter, and more resistant to wear and tear. The surface texture treatment prevents scratches, ensuring that your luggage maintains its pristine appearance. The addition of reinforced corners protects against impacts, preventing damage caused by rough handling during travel.The luggage is installed with TSA locks, allowing for hassle-free customs inspections without damaging the locks. The zippers are designed to be durable and resistant to damage, providing enhanced protection for your belongings and ensuring privacy