Sleek, stylish, and durable. Made of sleek nylon fabric, the spacious main compartment has a zippered mesh pocket inside to help you stay organized, and there's a smaller back compartment with a padded sleeve inside to help protect your laptop or tablet. Front pocket has a mesh organizer inside to help secure smaller items you want quick and easy access to, an elastic trolley strap on the back makes it easy to attach the backpack to the telescoping handle on your luggage for hands-free carry, and the shoulder straps are adjustable for comfy wear. Durable polyester nylon fabric 2-way zippered main compartment with organizational pockets inside Back compartment has a padded laptop sleeve inside Bottle pocket on the left side Velvety lined valuables pocket and a smaller zip pocket on the front 17"H x 11.5"L x 6"D; Strap Length: 31" (longest), 15.5" (shortest)