Durable food storage boxes and lids reduce food spoilage Standard industry sizes accommodate existing storage racks and counters Clear polycarbonate for visibility and stain resistance white polyethylene for more economical storage and transport. Tight-fitting, snap-on lids double as bun pans or cold food trays. Dishwasher and freezer safe. Easy-grip handles and Mark-It-Fresh date control panels on boxes and lids for inventory control. NSF Certified. Lid Sold Separately.