Color: Black Sealing type: zipper Fabric type: * polyamide Backpack Classic Capacity: 30-50L Bag size: Medium Pattern: solid color Computer liner design: None Rain cover: None External multi-pocket storage bag Service bag with soft padding, suitable for sunglasses, bills and other small items Newly designed internal organization, suitable for storing * new electronic equipment Product Category: Sports Backpack Hardness: medium and soft Bag internal structure: zipper changing bag, mobile phone bag, document bag, interlayer zipper bag, computer pocket Bearing system: physiological curve backplane Usedforschoolbackpack,businessbackpack,studentbackpackassaultpack,bugoutbagbackpack,rangebag,survivalbackpackordaypackfordailyuse.Itisagreatcompanionforcamping,hiking,vacation,travelling,trekking.