? Fits notebooks with up to 18 screens;? Resilient, high-density nylon encases the backpack, sheltering gear from harm;? Back panel molded & vented to provide air circulation to keep wearer cool & comfortable;? Reinforced, weather-resistant, nonslip base provides added protection against the elements while easily bearing the weight of gear;? Dedicated, padded pockets protect notebook & tablet device;? Large main compartments & several additional pockets ensure ample storage;? Toggle strap for headphones;? Includes power adapter bag;? Dim: 19.25H x 15.5W x 7.5D;? Lifetime warranty; Package includes: Mobile Edge(R) AWVBP18 18 Vindicator Backpack HEIGHT X LENGTH X WIDTH: 7 X 23 X 15 WARRANTY: LIFETIME