Large Capacity Backpack Student Computer Backpack

Product information:  Capacity: 56-75L Bag internal structure: Zipper pocket Opening method: Zipper Applicable gender: Male Material: Polyester (polyester fiber) Whether with lock: No With or without rain cover: None Function: Breathable Hardness: Medium Style: Urban simplicity Lining texture: Oxford spinning Accessories type: Backpack shoulder pads Number of shoulder straps: No shoulder strap Popular elements:Car suture With or without lever: No Series: Other Carrying system: Nerve bridge technology Scene: Travel Color: Black, white gray, dark gray Is there back cushion cotton: No Waterproof degree: No waterproof Accommodate computer size: 16 inches Big size: Height 50cm* Width 35cm* Thickness 19cm Medium size: Height 47cm* Width 33cm* Thickness 17cm