Drain Shelf Polycarbonate: Clear Drain Shelf Polycarbonate for heavy duty food box: Heavy duty polycarbonate food boxes - • Clear polycarbonate for visibility, durability and stain-resistance • Flat, tight-fitting, snap-on lids • Lids of food boxes may be used as bun pans or trays for non heated rack applications • Dishwasher and freezer. Lifts contents out of liquids to enhance food quality and freshness. Can be used with E5032, E5033 & E5034 Containers