45 mm (1.75 inches) x 24 INCHES LONG COLLAGEN CASINGS FOR MAKING DRY SAUSAGE OR ANY COOKED SAUSAGE LIKE BOLOGNA, SALAMI OR SUMMER SAUSAGE. Casing will hold approx two pound of sausage. Casing are made in Poland and are of excellent quality. 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.