Silage film is a kind of agricultural film used for protection and storage of forage, silage,
hay and maize for winter feed of herds. Silage film acts as vacuum capsule since it keeps the forage under an optimum humidity condition to facilitate controlled anaerobic fermentation. Silage film can keep the moisture of the grass from evaporation and then promote fermentation to raise nutrition and even enhance tastefulness of the grass to the herds. It can reduce the waste of grass and eliminate unstable supply due to inappropriate storage and the bad influence of weather. Besides, bundling of silage using silage film helps in transportation and delivery.