Anti-theft: Main pockets have zippers and security code locks to keep your valuables safe. Headphones & USB slots: Spaces for your headphone jack with a USB slot that can be connected to a power pack. Great for laptops: Large storage spaces for most laptop sizes, tablets and more. Backpack: Get an anti-theft waterproof laptop backpack. Waterproof: Made from a nylon and oxford fabric mixture. Anti-theft Waterproof Laptop Backpack | Blue | Living Social