【Carry on Luggage Set with Backpack】Kono travel backpack luggage set includes a 20 inch carry on suitcase, a 3 in 1 travel backpack, and a toiletries bag. The backpack can be attached to the extended handle of the luggage by its rear pocket sleeve, making airport travel a breeze. Moreover, Kono provides a reliable 5-year warranty service. 【Durable Hard Shell Carry on Luggage】This suitcase is crafted from ultra-thick PC+ABS hard shell material, which makes it wear-resistant, deformation-resistance, and scratch-resistant. It boasts not only a stylish and beautiful appearance, but also the ability to endure various challenges during conveyor-belt transportation and handling processes. 【Comfortable Handle+Spinner Wheels+TAS Lock】The three-step telescopic handle features an ergonomic design, making it suitable for people of different heights and helping users bid farewell to hand fatigue. The 360° dual-rotating wheels enable smooth and swift movement even in narrow spaces. Additionally, the luggage is equipped with TSA approved locks, providing enhanced security. 【Travel Carry on Backpack】The backpack is made of polyester fabric, which is mildly water-resistant. It is designed with a back sleeve, enabling you to conveniently attach it to the retractable luggage handle. Moreover, the backpack has multiple functional pockets, making it versatile to meet different travel needs. 【Multi-purpose and Combinations, Varying by Trip Duration】This set is suitable for holidays, trips, or business travels. You can combine the items in this backpack-luggage set as you like. Additionally, all the items can be nested and stored together, saving you more space. If you need any assistance with your purchase, please contact us on Amazon. Kono K1871 luggage sets is extremely lightweight and durable, designed for the frequent traveller. Four double spinner wheels suitcase keep ZERO weight on your arm and the dual locking handle system gives you the option to carry the backpack different ways. The case also has a top and side carry handle for easy lifting into overhead bins or car trunks. inside retractable handle, top and side comfort grip handle, stability bars at the bottom to avoid tilting, and locks and keys. Carry-on flight backpack features include: spacious main compartment, and maximum strength industrial hardware.