The round shape of this type of pistachio is similar to Jumbo, but it is shorter and smaller than Jumbo in size. This type is the most widely available pistachio, because it grows in most pistachio growing areas of Iran. This is naturally opened and contains large amounts of vitamins and minerals. Available sizes are 28/30, 30/32 and 32/34 nuts per ounce. Size 26/28 is also available in small quantities.