Looking for an incredibly durable backpack that's built to hold everything you need and keep it organized in the most efficient way?What if it also happens to be sustainable? Travel smart with the carry-on Tour Travel Pack 40L, complete with 15" laptop sleeve. This versatile backpack opens flat, carries comfortably, expands when you need it to, and has an innovative rain fly that converts to protect your suspension system should you choose to check it. Check the size chart in the product images section to see if you need the S/M or M/L.