Laptop Outdoor Backpack,TSA Friendly Travel College School Computer Daypack w/ USB Charging Port and Headphone Hole,Casual Hiking & Camping Rucksack for Women Men,Fit 15.6-Inch Laptop & Notebook,Black ANTI-THEFT & SAFETY: The large main pocket features a HIDDEN ZIPPER running along your back, no access to pickpockets, Theft proof design protects your laptop, wallet and other valuables safe TSA CHECKPOINT FRIENDLY: User friendly design allows you to breeze through airport security without removing your gear from its place. Simply open 90-180 degrees, Lay it flat and your bag will quickly pass through the scanner ERGONOMIC DESIGN: Back LUGGAGE STRAP keep your backpack stable on rolling luggage for hands-free transport. MULTI-COMPARTMENT & ORGANIZED: 12.3"x 5" x 18.5" (L*W*H). Dedicated main compartment with padded sleeve and velcro closure for 15.6-Inch laptop and 10+ Independent functional pockets allow you to keep all of your gear secure and organized in its place PRACTICAL FUNCTIONS: External USB Port with built-in charging cable offers a convenient charging of your electronic device anywhere. A HOLE for HEADPHONE outside offers convenience to listen to music on the go