A classic choice for every sausage enthusiast. Our ProNature protein casings are the premier choice for sausage manufacturers and connoisseurs across Europe. With their versatile applications and exceptional quality, they provide the perfect solution for a wide variety of sausage products. Whether it‘s cooked sausages, cooked bratwurst, raw sausages, or fresh bratwurst – the protein casings from Nicolaisen Casing & Packaging epitomize the sausage classic.