Laptop Compatibility: Safely accommodates laptops up to 17 inches. Versatile Design: Use the side handle to carry it or use the adjustable straps to use it as a backpack. Weather-Resistant: Made of polyester with a waterproof PVC coating for protection in any weather condition. Easy Charging: integrated cable and USB ports for portable charging. Smart Storage: Expandable main compartments for additional space, four interior pockets, and two front pockets.