Necessary!
I recently did my first trip with this luggage and I'm not changing the brand anymore!! Everything is very well put together; the front pocket opens widely for easy access to your documents/accessories as well as several pockets to organise freely everything you need. The compression pad is a must! My clothes arrived neatly folded in the same way I placed them. The laundry bag, fits perfectly in the netted compartment when full. I wasn't expecting on using the power bank though as usually my phone is well charged, but it proved to be a life saver! The front pocket and adding the top case to the mix removed my need to have a backpack/briefcase to travel with, besides, it makes life easier when going through security. I'm travelling much lighter and smarter than before ;)