Our 50 x 44 x 57 4Mils Pallet Covers Heavy-duty shrink bags from a precise, tight fitting, protective cover when heat is applied. Side gussets expands easily to fit over large or irregular size objects. Provides more holding power than strapping or stretch wrap when unitizing loads. Can be used without heat as pallet covers. Perforated bags neatly wound on 3" core with 1" diameter core plug.