Backpack canvas travel bag external usb charging interface with headphone hole junior high school student bag

Material: Canvas 

Processing methods: soft surface 

Hardness: medium 

pattern: plain

Style: Casual 

Lining texture: polyester cotton 

Accessories type: buckle 

Strap root number: double root

Popular elements: belt decoration 

Bag shapes: square vertical section

With or without tie rod: No 

Color: black, khaki, brown, dark gray