65 mm  x 20 INCHES LONG COLLAGEN CASINGS FOR MAKING DRY SAUSAGE OR ANY COOKED SAUSAGE LIKE BOLOGNA, SALAMI OR SUMMER SAUSAGE. Casing will hold approx 3 pounds of sausage. Collagen casings are the best old fashioned casing for smoking, cooking and drying sausage as they are a natural beef protein.  Soak in cool water for 5 to 10 minutes before stuffing. DON'T LEAVE IN WATER AN EXTENDED TIME! DirtCheapCasings is a direct importer and supplier.