1. We can supply all the calibers you need, from narrow to wide . 2.We have AA, A, AB, B quality. 3.Our products have good texture and structure, color is fresh, and transparent. 4.All kinds of casings: such as tubed casing, salted casing, piped casing, double bundles, etc. We can mail the sample hanks to you,and youalso can visit ourplant to test the products quality and our company capability.