Include:The luggage sets of 5 pieces offers 20" carry on luggage,24" medium checked luggage,28" large check-in suitcase, an extended duffel bag, and a toiletry bag. Nestable for easy storage, the multi-functional suitcase set can meet all your travel needs. 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. High quality materials : The suitcase set is made of more durable and lightweight high-quality ABS material, effectively adding a protective layer to the hard shell luggage sets, making them more impact-resistant. 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. 5 Piece Luggage Set, Hard Shell Expandable Suitcases with Double Spinner Wheels and TSA Lock, 20"+24"+28"