ITEM NAME:10PCS FR4 Printed Circuit Laminate Board Single Sided Copper Clad PCB Fiber R3A5 10PCS FR4 Printed Circuit Laminate Board Single Sided Copper Clad PCB Fiber R3A5 Band new and high quality. Panel Size: 70x100x1.5mm Thickness: 1.5mm Layers: Single Side Operating Temperature: Up to 140 Â °C or 285Â °F Material:bakelite Features: This product might have few fingerprints,you can clean by super-fine steel-wool,Restore4 ,Tarn-X,Scotchbrite,Zap! or similar before using. After that be sure to rinse and dry so without any water spots. Package include 10 x One-Side Copper Clad.10 x One-Side Copper Clad. Panel Size: 70x100x1.5mm. Layers: Single Side. After that be sure to rinse and dry so without any water spots. or similar before using.