This petri is about 3 inches in diameter and about 1/2 inch thick. Each petri is a unique, handmade, one-of-a-kind art object. The limited series editions are made with a consistent palette and composition, you will receive one from the batch at random. For display, you can purchase a clear Lucite stand to display your petri on a desk or shelf (see below) or the petri will stick to the wall using Command tape or similar. The petri comes packaged in a beautiful, gift ready, semi-transparent organza bag. Ships within 24 hours via USPS First Class Mail. Free shipping in the USA, $15 international (per shipment not per item).