The cases have indexing feet on the bottom, allowing them to be stacked securely. The 3 tinted trays are removable or can be latched into place. The hinged lid opens easily and stays attached. The 8 separate compartments make it easy to sort items. The long tray fit items like scissors, paintbrushes, and other tools while the smaller compartments keep more delicate items contained. Keep your hobby or hardware tools stored away in the Sterilite Divided Storage Cases.