1) these are clear glass cabochons, with a designed mix photo image on paper adhered to the back. The image is well adhered and not prone to deterioration under normal use

2) there are a total of 12designs ,  for size of 10mm 12mm 14mm 16mm or 18mm, you will get 12 designs, each in pair, for size of 20mm, you will get 10 random designs, each in pair

3) a good craft glue or adhesives should be used to set these into or onto the findings. There work best in a finding that is enclosed at the back to eliminate the showing of the white paper. Please see photos for pratical application  

4) package per size  

size of 10mm or 12mm or 14mm or 18mm is 50pcs per bag

size of 20mm and 25mm is 20pcs per bag

size of 30mm is 12pcs per bag

5) if you want to choose one single design, you can place a custom order, here is the link for Custom cabochon