Please Note: Natural Casings Cannot Be Shipped Outside The Us Generally Used For Ring Bologna, Ring Liver Sausage, Blood Sausage, Knockwurst, Mettwurst, Kiszka, Polish Sausage, And Holstiener. Casings Should Be Flushed Before Using. Not Edible. Salted Casings Have A Very Long Shelf Life When Stored Properly. When Refrigerated, Packed Liberally In Purified Salt, They Have An Indefinite Shelf Life. Un-Refrigerated, These Salted Casings Quickly Begin To Give Off A Strong Odor Even Though They Are Not Spoiled. Put Them Back Under Refrigeration And This Odor For The Most Part Subsides. Casings Are Packed In Purified Salt. Stuffing Capacity Per Hank: Approximately 75 Lbs. Diameter: Approximately 1 5/8''-1 3/4'' When Stuffed