Ziheng paper cover uses high-thickness food-grade kraft /white paper with food-grade PE film/PLA film, which is healthy, environmentally friendly and hygienic. Different sizes are matched with different paper bowls and soup buckets. It has the characteristics of moisture-proof, anti oil invasion, low-temperature freezing resistance, fresh-keeping and quality guarantee.

Kraft paper imported from the United States has better bursting strength and tensile strength due to its relatively high purity of wood pulp. Due to the high content of long fiber coniferous pulp and not smooth, there will be fiber texture on the handle.