Thule Aion Travel Backpack 28LA Multifunctional Bag Whether you're having active days or weekends away, you'll love having a versatile backpack that can hold all your essentials. The Thule Aion Travel Backpack 28L has a back panel that fully unzips and opens like a suitcase for easier packing. Inside, a stowable divider with TPU lining helps to organize your gear while keeping moisture, odor, or dirt from spreading to contents in the rest of the bag. It can expand from 28L to a 32L travel backpack for 15% more packable space. A zippered top pocket keeps small items secure, organized, and within reach. The pack also features a padded storage area that protects a 15. 6" PC or 16" Mac Book and a 12. 9" tablet. Features Pass-through panel allows you to secure the backpack to rolling luggage Dedicated water bottle pocket keeps your bottle secure Internal zippered pocket stores a phone, charger, and other small items during travel External daisy chain allows you to attach items to the bag Outer shell fabric, lining, and mesh are made of 100% recycled polyester from recycled plastic bottles Easy-to-clean TPU divider keeps items organized and prevents odors | Thule | Aion Travel Backpack 28L | Polyester