For formal goods, they are packed with standard seaworthy exporting carton or pallets. Waterproof plastic and strong wrapping paper cover Metal belts baling and wooden pallets on the bottom. Or as per customer's requirements. 20ft container can load 18-20 tons. For your reference, 1mm thick, 1200 x 2400mm size, 1000 pieces, gross weight is estimated 7900KG, packing volume is estimated 6CBM.