Many people have specific items that must be included in the final design. If you have a favorite picture, chair or piece of furniture that you want left just like it is be sure to communicate this to the designer, as well as the fact that you definitely want it in the final product. Don't be afraid to talk to the designer about these things when you do the initial interview.
Tall boxes are perfect for bulky, lightweight items such as comforters, pillows, and blankets, as well as clothes that need to remain hanging.