PCB FR4 Copper Board 5x7 Double Side

50mm x 70mm double Size Copper Clad Laminate PCB Circuit Board

Panel Size: 5cm X 7cm
Thickness: (2.1mm ± 0.15)
Weight: ~100g
Layers:   Double Side
Panel: FR4
Operating Temperature: Up to 140 °C or  285°F

The item may 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.