The lightweight materials feature a high-density thread count that stands up to the daily demands of everyday commuting Features Zippered, weather resistant, water bottle holder, zippered front pocket Colour Black, blue accents The Essential Backpack fits most laptops with up to 15.6-inch screens. Transport your laptop, tablet and accessories safely and securely with the Dell Essential Backpack-15. Constructed of lightweight, weather-resistant materials, the backpack can fit most laptops with up to 15.6" screens. Comfortably fit your tablet, files documents and other necessities in the large storage compartment. There are also smaller internal pockets that can protect and organize your various accessories.