Today the most modern and efficient packing is designed through using void fillers of honeycomb boards and corrugates. To preserve sensitive and fragile things polyethylene and poly-aortal foams with springy features are used instead of plastics because they can absorb the strongest voides and can spread part of throughout the material. Thus, they are able to bear voides resulted from transportation while they are more efficient and economically more reasonable than other similar samples and they are compatible with the environment due to the fact that they can be recycled.
