Drain Shelf Polycarbonate: Clear Drain Shelf Polycarbonate for heavy duty 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 E5025, E5026, E5027, E5375 & E5029 Containers