Introductions: The paper box were easy to assemble and the boxes were sturdy enough for your usage. The boxes are fairly thin on their own, these work fine as long as you put padding inside boxes. The cardboard is very sturdy and they are versatile with the ability to vary the thickness of the box. Sturdy and easy to use, great size for shipping items,and easy to put together boxes. So don't hesitate, it's a good choice for you!