SFLmom, I believe these reisenthel Storage Boxes would allow
your daughter's baby clothing to breath while they are being stored. After all, the boxes are made of fabric. Plastic containers don't have this advantage. Also, I know you can put more items in the Storage Boxes because fabric is more flexible than plastic. They would be easier to stack and would stay in place when stacked. FYI, each Box has a label on the front on which to itemize the contents.
Plastic containers, when stacked, can often slip and slide if not secured.
Just a thought, if you decide to donate your daughter's baby clothing to a family member or friend, giving them the Box in which the baby clothing is stored, would certainly make a beautiful and generous gift. However, if you are going to keep them for your daughter, or yourself, the Boxes would certainly add color to its contents.
I believe you would be very pleased with the reisenthel Boxes,
Thanks for your question and best wishes to you.