-300s is a cigarette packaging design of recycled materials for cigarette filters, which provides a new value for the recycling of cigarette materials and green environmental protection design. The outer package is made of recycled cigarette filter materials. After the filter tip is recovered, the paper is made by crushing, dissolving, stirring, drying and shaping. In the whole process of production, only recyclable papermaking agent is needed to ensure the multiple recoverability of packaging. The packaging can also be recycled for many times and dissolved in new filter materials.