... walnut-like grain smaller and more beautiful on the surface of the product, resistant heat up to 95°C.Advantage: a ... long shelf life, preventing from loss of water.Resolving the defects of the ordinary nylon casings, such as cracking, fracturing ... , red, white, yellow, purple, brown, black, etc., more than 100 kinds of colours.Print: The casings can be printed in multicolour upon ...