Yes, Viscofan collagen casings are 100% edible.

According to the product specifications, Viscofan manufactures "Edible Collagen Casing" series. These casings are made from reconstituted bovine collagen and other food-grade ingredients approved by the FDA and USDA .

Unlike cellulose or plastic casings (which must be peeled off), Viscofan collagen casings are designed to be eaten along with the sausage. They are used worldwide to manufacture sausages like hot dogs, breakfast links, and snack sticks .

 If you buy sausages wrapped in Viscofan casings, you can eat the entire product. The casing provides a "snap" when bitten and is safe for human consumption. The calibers are from 17mm to 30mm. 

We can provide you different calibers with competitive prices.Your inquiry is highly appreciated.