***Special offer, this weekend only! This petri comes with a freebie, a 6” petri of my choice ($115 value!).***This resin and pigment disc is past petri sized and graduated to Supernova. It is is about 9 inches in diameter and ½-1 inch thick. It comes with a permanent keyhole wall hanging attachment. The petri comes packaged with a certificate of authenticity. Ships fast via USPS First Class Mail. Flat fee shipping of $5 in the USA, $15 international (per order not per item).