Combined corn silage hay baler price /silage bale wrapping machine is a special equipment for silage wrapping. It can wrap fresh straw and fresh grass round bales tied by the strapping machine automatically. This ensiling method is advanced, flexible and effective in the world at present. The user can set the number of layers of the envelope according to the length of the required silage time: the storage period can pack 2 layers of special film within one year