Berry Global Inc. Sunfilm silage film for round bale from SUNFILM, White, 30 in x 1 500 m.Sunfilm's range of silage wrap six layer co ex silage films provides the protection your bales deserve. Film wrapping protects silage all year from precipitation, reduces bounded proteins by maintaining temperatures below 110oF. Excellent for All Wrapping The Sunfilm range is perfect for all wrapping conditions, with the strength to withstand the trials of large, individual square and round bales, and survives the harshness of stiff grasses and stems.