Someone asked me the other day if lids were actually necessary for comic book storage boxes. There are many reasons why you should always have a lid on your comic book storage boxes.
Keep Everything Out
First off, lids on comic book storage boxes help to keep everything out. This includes insects, and dust. Over time, these can do damage to the bags you store your comics in.
Keep Everything In
No matter how careful we are when we are moving comic book storage boxes, we can sometimes tip boxes. While the lids are not tight to the boxes, they will at least give some support in keeping the items inside from slipping out.
Stacking
If you are going to stack your comic book storage boxes, they need to have lids. The lids help to spread out the weight of upper boxes. This will help the boxes on the bottom to last longer. The longer a bottom box lasts, the less chance there is for collapse and the loss of a collection.