With waterproof function internal capacity of the backpack Interior with computer compartment Shoulder straps with breathability and cushioning Backpack with anti-theft combination lock Descriptive: The backpack is made of Oxford fabric with waterproof function.The interior of the backpack has a computer compartment and divider, making it easy to store your belongings.Backpack with anti-theft three-digit anti-theft combination lock, the use of more secure, not afraid of the contents of the bag stolen.size: 31 x 19 x 50cm Material: Oxford cloth colour: Black Package Contents: 1 x organizer bag Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.