This 26" x 18" tray is perfect for use with circuit boards or delicate electrical components, or when moving sensitive electrical parts on conveyors. It is molded of black thermoset-composite material with a permanent surface-resistivity of 105 ohms/sq. Black Conductive ESD Tray meets or exceeds ANSI/ESD S20.20 standard for ESD protection and is temperature resistant from -60 to 250 degreesF.BR>, Lot of 1