Durable Material: Crafted from high-quality ABS, this 3-piece luggage set includes 20",24",and 28" suitcases that are lightweight .The matching luggage bag is made of tightly crafted fabric, adding more convenience to your travel. Convenient Functions: The 20-inch carry-on is ideal for short trips, built-in USB port and data cable for charging devices on the go (power supply not included).The front opening design allows you to carry computers, ipads and other items with easy access.Note: Only 20 inches is front opening. Luggage Accessories: The travel bag can be used to organize and store personal items for easy carrying. The back of the travel bag features a pocket that can be put on the handles, making travel more convenient. Safe: Our 3-piece luggage sets are equipped with explosion-proof double zippers, offering an additional storage space. The TSA lock is designed to avoid violent damage to the luggage, which allows only customs agents to inspect your bags without damaging the lock when traveling. Expandable Space (24"): The 24-inch suitcase offers more expandable space, giving you more room for packing when you need it most, ideal for longer trips or extra belongings. The Merax Luggage Sets Made of lightweight and durable material upgraded with strong resistance to stress, high and low temperatures and impact. Built-in reinforced corner guards provide extra protection and minimize damage. Large storage space and fully lined interior with zippered compartment to keep your items organized. Low profile top and side handle provide for ease in handling.