Tianjin Kangtai plastic packaging Co., Ltd. has developed a new "cellophane casing" suitable for smoked sausage. Features: the casing can be filled with 10% - 15% due to its high strength. The color of sausage is similar to that of collagen shell and cellulose shell. Advantages: less loss than collagen sleeve and cellulose sleeve after cooking. Almost no weight loss. The appearance of the product is good.. moisture barrier protection provides an extended shelf life for the product.. instead of natural casing, the shelf life is long in summer