Furnace drawing fiberglass roving/e-glass fiber spray gun roving for FRP ship is wound as a roll, then stacked on a pallet by 4*4 a layer, usually 3-4 layers. Finally the whole pallet is fixed by PVC shrink film and paper board. Carton can be used if required. A 20 feet FCL can hold about 22 tons of fiberglass spray up roving.