Bag size: Medium Pattern: solid color Lining texture: Polyester Acceptable Computer size: 15.6 SOURCE type: Spot Color: blue, black, gray, red Model: 1901 Processing Method: soft surface With lock or not: no Outer bag type: Sandwich pocket Accessory type: Handle Material: Oxford cloth With or without rain cover: None Degree of water-resistance: water repellent Whether cross-border export is exclusively available: no Popular elements: sewing line Number of shoulder straps: Double joint Item No.: factory 1901 Applicable scenarios: Business travel With or without back cotton cushion: None Lifting parts: soft carry handle Printed LOGO: OK Place of import: Baigou Applicable gender: neutral/both men and women Inventory Type: whole transaction Year and Season of release: Spring 2019 Applicable occasions for gifts: travel commemoration Function: breathable, waterproof, wear-resistant, anti-seismic, burden-reducing, cut-resistant Hardness: soft Suitcase shape: vertical model in square shape With a pull rod or not: no Size: 15.6 inches Opening method: zipper Bag internal structure: zipper changing bag, mobile phone bag, document bag, computer pocket Bearing system: airpillow straps Style: business commute Franchise Distribution threshold: 0 Capacity: 36-55L   Used for school backpack,business backpack,student backpack  assault pack, bug out bag backpack, range bag, survival backpack  or day pack for daily use .It is a great companion for camping ,hiking, vacation, travelling, trekking.