Kids school backpack can climb stairs luggage school bag On wheels students backpack suitcase 6-14 year Children travel backpack

Material: high quality nylon
Weight: around 1.9KG
Color: selectable color
Inside material: Polyester
Age: 5-10 years old
Size: 43*29*13CM
Capacity: book, pen, umbrella, cup, etc.
Function: folding floor, silent pulley, telescopic rod, climb the stairs, waterproof