The Bankers Box R-Kive Heavy-Duty Storage Boxes, Letter/Legal, White/Black, 4-Pack (0072414), are even stronger than the Woodgrain 0072506 boxes.

For the storage of collectables and records and other items that you wish to keep close, I strongly recommend Bankers Box R-Kive Heavy-Duty Storage Boxes, especially the White/Black 0072414 boxes.

Bankers Box R-Kive Heavy-Duty Storage Boxes are top of the line stand-alone storage boxes.

I have an assortment of storage boxes from plastic to lightweight cardboard and the Bankers Box R-Kive Heavy-Duty Storage Boxes are top of the line in cardboard.