Lightweight and Sturdy : The 20inch luggage is crafted from 100% polycarbonate hardshell. Rreinforced corners enhance impact resistance.The zipper has been tested for many times, running smoothly and durable.The 18inch travel backpack features multiple pockets for organized packing, and the matching toiletry bag is roomy for all personal essentials.Smooth Maneuverability : The carry on luggage has 360 degree smooth spinner wheels and an adjustable aluminum alloy handle, It can move easily in various scenarios such as airports, train stations, and busy streets, with flexible turning, easily handling complex road conditions and adding convenience and comfort to your journey.Expandable Luggage Set : The carry on suitcase has practical expandable features, which can increase storage space by 25% when needed, and can easily meet your needs. The matching toiletry bag is unified with the overall style, highlighting the retro fashion temperament, so that every trip is full of style.Ingenious and Practical Design : The main compartment comes with X-shaped straps to prevent clothes from wrinkling, and the front pocket allows for quick access to essentials. The backpack features an ergonomic design with padded shoulder and chest straps, and multiple functional pockets, including a dedicated laptop compartment for 13-15inch laptops.Precisely Suited for Short Trips : It is specifically designed for 2-3 day short trips, The 20inch carry-on suitcase strictly complies with the size standards of most airlines, allowing direct boarding without the need for checked luggage, saving you time. Equipped with a TSA-approved lock, airport security staff can open and inspect it without damage using special tools, ensuring the safety of your luggage.PC