Designed to meet international specifications, this Cambro 3046123 11 13/16" x 18 1/8" (30 x 46 cm) Amazon Blue metric Camtray is made of lightweight, high-impact fiberglass, and designed with reinforced edges. It's stain, odor, and scratch-resistant. For safe, even stacking, each tray features built-in stacking lugs, while molded-in Dri-Stak separators ensure even air flow between trays for quick drying.