The sausage casings material with HACCP certificate,safe and non toxic,reusable package. NO 'SHORTS' casing off-cuts which could be as short as as 9.8ft. We only use the A grade hog casing, each more than 3M/9.8ft, package total comes with the 12M/39ft sausage casing. Diameter: 20-22mm(3/4''- 7/8'') Stuffing capacity: approx. 10 lbs. (depending on links/rope size)You can use the sausage casing to make Breakfast Sausage,Chorizo,Knockwurst,Wieners,Frankfuter,and Most Delicious Sausage. Soak the casing in warm water for 20-30 minutes to remove the salt before using the casing, Then just stuff your desired food with the sausage casing and you're ready to cook. Kind Tips：For best results with our sausage casings, we strongly recommend reviewing our detailed instructions (including proper soaking time and stuffing techniques) before use. Following our guidelines will ensure higher success rates and professional-quality sausages!