Product Details:Closure Type: ZipperSize: 16.5*12*6 InchesPremium Material: Lightweight Polyester Canvas, Soft And Durable.Packing: 1 BackpackIt Is Made Of High-Density Twill Composite Fabric, Which Is Strong, Wear-Resistant And Tear-Resistant, And Has A Scientific And Reasonable Design To Meet Your Travel Needs. Internal Compartments To Organize Your Belongings,Adjustable Shoulder Straps: Provides Optimal Comfort On Your Shoulders. Adjustable Shoulder Straps Choose The Right Length Of Shoulder Straps To Fit Snugly Over Your Shoulders. Make Your Back Comfortable.Versatility: One Large-Capacity Main Pocket With One Compartment And One Zippered Interior Pocket. One Patch Pocket On Each Side. One Zippered Side Pocket On The Front. There Are Buckles At The Shoulder Straps For Fixing.Multifunctional: Laptop Backpack/Bag, Travel Backpack, Sports Backpack, Duffel Bag And Other Outdoor Activities.