TSA Computer Backpack with USB Port。? HOT ITEM ? ?:Dimensions: 18.3\"x13\"x11\". Large Carry On Travel School Backpack More than 15 multi-function combination pockets, there are two main block pockets. A separate laptop compact, the maximum can accommodate a 17.3-inch laptop,travel backpack has two mesh compartments suitable for your laptop accessories,multiple compact,allowing your item well,17 Inch Laptop School Backpack equivalent to 18-inch trolley case. ?This Carry on backpack multi-sided airflow design provides honeycomb back pads, shoulder straps, breathable, adjustable shoulder straps, belt liners, help to relieve the back pressure of shoulders, nd protect your items Free use of any bumps on the road,lasting. This School computer backpack has tie rod fixtures, which can be fixed in trolley boxes, School Large Carry On Travel Backpack makes your travel easier. ?:Carry on bag is made of lightweight waterproof polyester and scratch materials, which can be protected in rainy days. The Travel Backpack metal zipper adopts double-sided smooth railing and reinforced sewing, lightweight, rainy day, can provide leak-proof protection for items; the anti-theft zip pocket in the back of the School luggage backpack is to protect your valuables,let you take the key,cash,etc Valuable objects. ?【CONVENIENT USB PORT DESIGN】:School Laptop backpack provides convenient portable power supply, and School computer backpack is a USB charging port