Blue Mask is lightly tinted so you can see where it is on the paper. It is ideal to cover up areas you want to leave blank or come back to, and can be rubbed or peeled off using a putty eraser or your finger tips.
Blue Mask is lightly tinted so you can see where it is on the paper. It is ideal to cover up areas you want to leave blank or come back to, and can be rubbed or peeled off using a putty eraser or your finger tips.