Don't sweat the small or big stuff with Super Stacker. This space-saving storage system will bring organizational order to any space. Its stackable design is perfect for use with or without shelving, with a heavy-duty plastic construction that can accommodate large or heavy items. Easy snap-lock handles to keep the lid in place & contents secure for transport, & fun color variations make it easy to categorize & distinguish contents. Card Holder Type: Card File Box with Lift-Off Lid; Card Capacity: 500; for Card Size: 4 x 6; Color(s): Clear.