Sklar's Perforated Instrument Trays are used for hot or cold sterilizing, storing and transporting instruments for surgery. They are seamless to prevent bacterial growth and perforations allow steam cleaning without moisture bild up. Dome or flat lids are available for use with tray. This instrument tray comes in a variety of sizes. This product measures 12-3/4 inches x 10-1/2 inches x 2-1/2 inches.