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The garbage of food packaging plastic in our daily life floats to the sea under the influence of wind and other environmental factors. The inconvenient recycling of garbage is an important reason of the current Marine pollution. So, I designed a cheap, reusable aerated device and changed the packaging to a double layer without changing the amount of material used, so that the garbage flowing into the ocean and rivers could float on the surface of the ocean for easy recycling. there are many environmental-friendly new materials packaging，but no matter which new materials packaging also need to be recycled, because our ecology is circular.