The 2-in-1 Travel Duffle Backpack 45L is extremely spacious and due to its malleable body, I'm able to truly stuff it to its brim. If I pack efficiently and smart, I can fit enough clothes for a four day trip, plus all my toiletries and makeup. The bag has plenty of removable straps and handles, so you can carry it however you see fit. With its open design, I'm able to pack, fold, and organize depending on my needs and the contents of my bag. There's a padded pocket where the backpack straps begin that is ideal for carrying electronics and laptops, along with a side water bottle pocket.