Stacking file vault is perfect for long-term storage of files, collectible literature, memorabilia and seasonal items. Stable, locking storage containers can be stacked high without fear of collapse because they are made out of 22 gauge recycled steel. File vault keeps dirt and dust off all your long-term storage items, and is the perfect size to hold letter-size file folders. Heavy-duty handles with rubber grips make transport easy and comfortable. Textured surface resists scratches and easilywipes clean. File vault includes a large label card and locking lid.