5 Piece Luggage Sets:The luggage set of 3 pieces offers 20" carry on luggage, 24" medium checked luggage 28" large checked luggage and 1 duffel bag 1 toiletry 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). Note: Only 20 inches is front opening. Expandable Space (24" & 28"): Both the 24-inch and 28-inch suitcases offer more expandable space, giving you more room for packing when you need it most, ideal for longer trips or extra belongings. 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. Carry & Move:Silicone handles make it easier to lift your suitcases when going up and down stairs. Sturdy 3-step telescoping handle slso allow you to maneuver in tight spaces and provide effortless movement. 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.