Soft enamel with simple/softer shapes. Any basic shapes like a circle, square, etc + any custom shapes that have a softer edge without any deep cut in areas, holes knocked out or jagged edges. Unsure? Just email us and we can let you know and give an exact quote.
Soft enamel have flat metal and the inks are recessed (at a lower profile). If you ran you hand over the top, there is a height difference between the metal and inks.