DetailsUsing packing cubes takes your organization to the next level. The problem? Most packing cubes are made of flimsy fabric and cheap zippers. The Setout Packing Cubes are different. They’re made of the same high-quality fabrics and YKK zippers as your carry on and are designed to fit perfectly in mid-sized Setout travel backpacks. Your packing cubes will last as long as your luggage.