The surface of the copper plate is easy to scratch, and the fingerprint or scratch on the surface is normal and does not affect the application.
Some of the plates are bent,Cautious purchase
Types Size(W*L*H) Double Sided Copper 75*100*1.5mm Double Sided Copper 100*150*1.5mm Double Sided Copper 150*200*1.5mm Double Sided Copper 200*300*1.5mm Single Sided Copper 70*100m*1.5mm Single Sided Copper 100*150*1.5mm Single Sided Copper 150*200*1.5mm Single Sided Copper 200*300*1.5mm