15" Computer Backpack is a simple classic for your modern lifestyle. The zippered main compartment contains a 15 inch laptop sleeve, while the vertical front zipper provides easy access to your essentials with a 30oz Tumbler designed to be fully function for both hot and cold beverages. It’s built-in flip straw offers convenient, effortless sipping. Snap the straw shut and you can chug from the flap-open spout