ENHANCED SECURITY TSA LOCK - There is a built - in TSA lock on the side of the hardshell suitcase, providing you with greater safety during your journey. This travel suitcase, your reliable companion, is furnished with dual - side locks approved by TSA to protect both the main compartment and the laptop compartment. Since it complies with airline standards and has durable and dependable zippers, it guarantees the security of your possessions while you aer traveling 360° DOUBLE SPINNER WHEEL - The wheeled suitcases are equipped with quiet double 360° spinner wheels. The uniquely designed multi - directional silent wheels are not only noise - free during rotation but also have a more robust structure. The two 360° swivel wheels can roll smoothly on different surfaces including carpets, uneven pavements and even gravel paths, and they can easily cope with bumps and sharp turns CONVENIENT INTERNAL STRUCTURE - The hardsided carry on suitcase features several storage compartments, which simplifies the packing process. The capacious main compartment is furnished with cross - straps, enabling items to be stored conveniently. There is also a waterproof compartment for toiletries and a U - frame zippered compartment for privacy 3 PIECE LUGGAGE SET - This 3 set luggage includes three suitcases in different sizes, including a versatile carry-on, an intermediate-sized suitcase, and a spacious 28 in luggage. Size: 20 in (14.57x8.86x22.24 in), 24 in (17.13x10.83x26.18), 28 in (19.49x12.01x30.12). 20 in is perfect for business and personal travel, 24 in and 28 in is expandable add 20% to the scalable space VERSATILE EXPANDABLE DESIGN - The ergonomic telescopic handle, adjusts in three stages for comfort at different heights. 20 in is best for carryon, 24 in & 28 in expands 20% for more Spaces. Made of ABS material, it is a durable and lighter hard shell with a textured finish to prevent scratches