Product Details Internal Structure: Zipper Bag, Mobile Phone Bag, Certificate Bag, Sandwich Zipper Bag, Computer Insert Bag Cover Opening Mode: Zipper Material: Polyester Functions: Breathable, Waterproof, Wear-Resistant, Anti-Theft, Anti-Seismic, Load Reducing Pattern: Vertical Pattern Style: Business Lining Texture: Nylon Accessories: Backpack Shoulder Pad Number Of Shoulder Straps: Double Popular Element: Business And Leisure Lifting Part: Soft Handle Type Of Outer Bag: Inner Patch Bag Bag Shape: Vertical Square Backpack System: Air Cushion Strap

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