3 Piece Luggage Sets:The luggage set of 3 pieces offers 20" carry on luggage, 24" medium checked luggage and 1 duffel bag, can be nested together for easy storage. 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. Front Opening Compartment：This suitcase has a front compartment to categorize your computer or iPad and passport registry items for easy access, easy to separate electronic devices from clothing. 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. 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. 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.