Girls School Trolley Bag-Blue.

Built to relieve stress on the shoulders, it features a smooth-gliding roller wheel system and a sturdy retractable bar handle that easily transitions from a traditional backpack to a rolling suitcase.
Spacious Organization: Multiple zippered compartments securely hold large textbooks, notebooks, lunchboxes, and tablets.
Ergonomic Design: Thick, padded shoulder straps hide away when using the trolley function, ensuring ultimate comfort when worn on the back.
6 Heavy-Duty Wheels: Durable, stable base wheels glide effortlessly over sidewalks, school floors, and rough pavement.
Backpack size 18 inches. Detachable 6 wheel Trolley.Backpack can be used on its own. Light weight , durable backpack with multiple storage compartments .