Durable Material Protection: Crafted with PC+ABS composite material, the luggage combines practicality and lightweight design. Even in violent transportation at the airport, the shape can remain stable, the surface is anti-scratch, and the durability is comprehensively improved360° Spinner Wheels, Conquer Any Terrain: 4 silent wheels, which passed strict violent-drop test and 15kg load for 20km rolling speed test, glides effortlessly on cobblestones, carpets, and slopes without wobbling or jamming. Even in crowded airports or busy streets, the luggage can be flexibly passedEasy to Lift and Hold: The multi-level adjustable telescopic handle can meet the needs of different heights, and the one-button is easy to operate, stable and without shaking. The comfortable top&side double handles make it easier to lift suitcase into the cargo compartmentYKK+TSA, Tested Dual Security: YKK explosion-proof zipper with 3,000 durability test and pry-proof teeth to prevent puncture by sharp objects, ensuring complete travel security. TSA lock allows instant inspection without damage during international travelsChoices for various occasions: You can carrying the size combination of 3pcs(DB) for short trips or frequent business trips (carry on luggage 20": 9.4*15.7*22.6"/Duffel Bag:16.1*10.2*8.66" /Toiletry Bag: 10.5*5*5.5"), paired with retro or vibrant color appearances to meet personalized needs and switch travel styles at willPractical Bag Attached: The duffel bag and travel backpack are both designed with the trolley sleeve, so you can keep your property safe by attaching them to the retractable luggage handle. The extra space in the duffel bag allows you to pack more luggage for your convenience. The laptop compartment of the travel backpack protects your computer from damage.