DETAILS: 1.Sizing: Pistachios are calibrated by the number of pistachios in a weight unit of one avoirdupois ounce (28.3495 gr.) as under: 18/20, 20/22, 22/24, 24/26, 26/28, 28/30 and 30/32 2.Type of open-shell: - Natural Open (the shell is opened on the tree naturally) - Mechanical Open (the shell is opened mechanically in the plant) 3.Pistachio in shell species - Jumbo: Available on 18/20, 20/22 and 22/24 - Round: Available on 26/28, 28/30 and 30/32 - Badami: Available on 24/26, 26/28 and 28/30 - Akbari: Available on 18/20, 20/22 and 22/24 - Ahmad Aghaee: Available on 22/24, 24/26 and 26/28