★The 4-piece luggage set consists of 16-inch, 20-inch, 24-inch, and 28-inch luggage to meet your different travel needs. 3-level telescopic handle can be adjusted to meet the needs of different heights. Ideal for family travel.★Superior quality, silent-running, multi-directional silent spinner wheels assure smooth maneuverability. 360° double wheels are more durable and adaptable to various road conditions. Bring comfort to your journey.★Upgraded size 10 zipper chain teeth are wider and the bite is tight. Pulls smoothly and effectively prevents chain heads from falling off and zippers from tearing. Paired with a 3-dial TSA lock, it provides security and convenience for travel.anti-aging feature of built in UV-radiation protection for long lasting usage for years to come.★4 packing boxes keep your clothes, toiletries, and other items separated, making the interior more organized. 24-inch and 28-inch suitcases can be expand with 20% extra space to accommodate more souvenirs. 4 suitcases can be nested inside each other to save space for your convenience.